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2220211012020 = 2235197639729363
BaseRepresentation
bin100000010011101110111…
…000111000000110110100
321212020202022201022210020
4200103232320320012310
5242333443004341040
64415541215125140
7316255620136251
oct40235670700664
97766668638706
102220211012020
1178664a265501
122ba3602137b0
13131498b9c851
147965cca4428
153cb4599ecd0
hex204eee381b4

2220211012020 has 96 divisors (see below), whose sum is σ = 6249336686208. Its totient is φ = 588938767872.

The previous prime is 2220211012013. The next prime is 2220211012067. The reversal of 2220211012020 is 202101120222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75597859 + ... + 75627221.

It is an arithmetic number, because the mean of its divisors is an integer number (65097257148).

Almost surely, 22220211012020 is an apocalyptic number.

2220211012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220211012020 is an abundant number, since it is smaller than the sum of its proper divisors (4029125674188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220211012020 is a wasteful number, since it uses less digits than its factorization.

2220211012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35969 (or 35967 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220211012020 its reverse (202101120222), we get a palindrome (2422312132242).

The spelling of 2220211012020 in words is "two trillion, two hundred twenty billion, two hundred eleven million, twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 197 394 591 788 985 1182 1970 2364 2955 3940 5910 6397 11820 12794 19191 25588 29363 31985 38382 58726 63970 76764 88089 95955 117452 127940 146815 176178 191910 293630 352356 383820 440445 587260 880890 1260209 1761780 2520418 3780627 5040836 5784511 6301045 7561254 11569022 12602090 15122508 17353533 18903135 23138044 25204180 28922555 34707066 37806270 57845110 69414132 75612540 86767665 115690220 173535330 187835111 347070660 375670222 563505333 751340444 939175555 1127010666 1878351110 2254021332 2817526665 3756702220 5635053330 11270106660 37003516867 74007033734 111010550601 148014067468 185017584335 222021101202 370035168670 444042202404 555052753005 740070337340 1110105506010 2220211012020