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20222220120012 = 2233187242778889
BaseRepresentation
bin1001001100100010110100…
…01111110010111111001100
32122121020002021211020112000
410212101122033302333030
510122310101322320022
6111001543142312300
74155002315620611
oct446213217627714
978536067736460
1020222220120012
11649721707a289
122327250728690
13b38c40c35101
144dca9141c508
1525105de196ac
hex12645a3f2fcc

20222220120012 has 24 divisors (see below), whose sum is σ = 52427978089200. Its totient is φ = 6740740039968.

The previous prime is 20222220119987. The next prime is 20222220120031. The reversal of 20222220120012 is 21002102222202.

20222220120012 is a `hidden beast` number, since 20 + 222 + 220 + 1 + 200 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 93621389337 + ... + 93621389552.

It is an arithmetic number, because the mean of its divisors is an integer number (2184499087050).

Almost surely, 220222220120012 is an apocalyptic number.

It is an amenable number.

20222220120012 is an abundant number, since it is smaller than the sum of its proper divisors (32205757969188).

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

20222220120012 is a wasteful number, since it uses less digits than its factorization.

20222220120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187242778902 (or 187242778894 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20222220120012 its reverse (21002102222202), we get a palindrome (41224322342214).

The spelling of 20222220120012 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 187242778889 374485557778 561728336667 748971115556 1123456673334 1685185010001 2246913346668 3370370020002 5055555030003 6740740040004 10111110060006 20222220120012