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202212000220 = 22510110600011
BaseRepresentation
bin1011110001010011000…
…1100100000111011100
3201022221111112221100111
42330110301210013130
511303112233001340
6232521144535404
720416000433146
oct2742461440734
9638844487314
10202212000220
117883744775a
1233234481564
13160b7692949
149b03ba3c96
1553d7761aea
hex2f14c641dc

202212000220 has 12 divisors (see below), whose sum is σ = 424645200504. Its totient is φ = 80884800080.

The previous prime is 202212000191. The next prime is 202212000229. The reversal of 202212000220 is 22000212202.

It is a self number, because there is not a number n which added to its sum of digits gives 202212000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212000229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055299986 + ... + 5055300025.

It is an arithmetic number, because the mean of its divisors is an integer number (35387100042).

Almost surely, 2202212000220 is an apocalyptic number.

202212000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212000220 is an abundant number, since it is smaller than the sum of its proper divisors (222433200284).

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

202212000220 is a wasteful number, since it uses less digits than its factorization.

202212000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110600020 (or 10110600018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202212000220 its reverse (22000212202), we get a palindrome (224212212422).

The spelling of 202212000220 in words is "two hundred two billion, two hundred twelve million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 10110600011 20221200022 40442400044 50553000055 101106000110 202212000220