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101020200000220 = 22511251448938761
BaseRepresentation
bin10110111110000010011001…
…001000101101101011011100
3111020200102210102121021202001
4112332002121020231223130
5101220103332200001340
6554504012245212044
730164316505103224
oct2676023110555334
9436612712537661
10101020200000220
112a208476344226
12b3b6484701024
13444a219373827
141ad3591d23084
15ba2b7960b29a
hex5be09922dadc

101020200000220 has 24 divisors (see below), whose sum is σ = 212161275901008. Its totient is φ = 40404488400000.

The previous prime is 101020200000211. The next prime is 101020200000221. The reversal of 101020200000220 is 22000002020101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101020200000197 and 101020200000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020200000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224244361 + ... + 224694400.

It is an arithmetic number, because the mean of its divisors is an integer number (8840053162542).

Almost surely, 2101020200000220 is an apocalyptic number.

101020200000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020200000220 is an abundant number, since it is smaller than the sum of its proper divisors (111141075900788).

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

101020200000220 is a wasteful number, since it uses less digits than its factorization.

101020200000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448950021 (or 448950019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 101020200000220 its reverse (22000002020101), we get a palindrome (123020202020321).

The spelling of 101020200000220 in words is "one hundred one trillion, twenty billion, two hundred million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 11251 22502 45004 56255 112510 225020 448938761 897877522 1795755044 2244693805 4489387610 8978775220 5051010000011 10102020000022 20204040000044 25255050000055 50510100000110 101020200000220