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2220101331020 = 225503220686017
BaseRepresentation
bin100000010011101000010…
…110011110100001001100
321212020110200022221201222
4200103220112132201030
5242333231420043040
64415522300222512
7316253115643466
oct40235026364114
97766420287658
102220101331020
117865a3361551
122ba32b53aa38
1313147c249751
147964c4b3136
153cb3b036bb5
hex204e859e84c

2220101331020 has 24 divisors (see below), whose sum is σ = 4671481629024. Its totient is φ = 886275040256.

The previous prime is 2220101330917. The next prime is 2220101331023. The reversal of 2220101331020 is 201331010222.

It is a super-2 number, since 2×22201013310202 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220101331020.

It is not an unprimeable number, because it can be changed into a prime (2220101331023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110332949 + ... + 110353068.

It is an arithmetic number, because the mean of its divisors is an integer number (194645067876).

Almost surely, 22220101331020 is an apocalyptic number.

2220101331020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220101331020 is an abundant number, since it is smaller than the sum of its proper divisors (2451380298004).

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

2220101331020 is a wasteful number, since it uses less digits than its factorization.

2220101331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220686529 (or 220686527 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2220101331020 its reverse (201331010222), we get a palindrome (2421432341242).

The spelling of 2220101331020 in words is "two trillion, two hundred twenty billion, one hundred one million, three hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 503 1006 2012 2515 5030 10060 220686017 441372034 882744068 1103430085 2206860170 4413720340 111005066551 222010133102 444020266204 555025332755 1110050665510 2220101331020