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22100211020 = 2252348043937
BaseRepresentation
bin10100100101010001…
…100111010101001100
32010001012110001011002
4110211101213111030
5330230123223040
614052552115432
71411443460046
oct244521472514
963035401132
1022100211020
119410aa1708
124349395b78
13211283a854
1410d91c8a96
15895325a15
hex52546754c

22100211020 has 24 divisors (see below), whose sum is σ = 48428289504. Its totient is φ = 8455732736.

The previous prime is 22100211011. The next prime is 22100211101. The reversal of 22100211020 is 2011200122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22100210992 and 22100211010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24021509 + ... + 24022428.

It is an arithmetic number, because the mean of its divisors is an integer number (2017845396).

Almost surely, 222100211020 is an apocalyptic number.

22100211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100211020 is an abundant number, since it is smaller than the sum of its proper divisors (26328078484).

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

22100211020 is a wasteful number, since it uses less digits than its factorization.

22100211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48043969 (or 48043967 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22100211020 its reverse (2011200122), we get a palindrome (24111411142).

The spelling of 22100211020 in words is "twenty-two billion, one hundred million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 48043937 96087874 192175748 240219685 480439370 960878740 1105010551 2210021102 4420042204 5525052755 11050105510 22100211020