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20211230022 = 2331108662527
BaseRepresentation
bin10010110100101011…
…101110010101000110
31221011112222212100220
4102310223232111012
5312343033330042
613141312445210
71313565422604
oct226453562506
957145885326
1020211230022
118631792295
123b00849806
131ba1394609
14d9a38c874
157d45928ec
hex4b4aee546

20211230022 has 16 divisors (see below), whose sum is σ = 41726410752. Its totient is φ = 6519751560.

The previous prime is 20211230009. The next prime is 20211230027. The reversal of 20211230022 is 22003211202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20211229983 and 20211230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211230027) 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, 54331078 + ... + 54331449.

It is an arithmetic number, because the mean of its divisors is an integer number (2607900672).

Almost surely, 220211230022 is an apocalyptic number.

20211230022 is an abundant number, since it is smaller than the sum of its proper divisors (21515180730).

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

20211230022 is a wasteful number, since it uses less digits than its factorization.

20211230022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108662563.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20211230022 its reverse (22003211202), we get a palindrome (42214441224).

The spelling of 20211230022 in words is "twenty billion, two hundred eleven million, two hundred thirty thousand, twenty-two".

Divisors: 1 2 3 6 31 62 93 186 108662527 217325054 325987581 651975162 3368538337 6737076674 10105615011 20211230022