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20201022224 = 241966450731
BaseRepresentation
bin10010110100000100…
…110010001100010000
31221010211210020220022
4102310010302030100
5312332430202344
613140310003012
71313412566345
oct226404621420
957124706808
1020201022224
118626a4aa99
123ab9346468
131b9c22c2b6
14d98c927cc
157d37280ee
hex4b4132310

20201022224 has 20 divisors (see below), whose sum is σ = 41199453840. Its totient is φ = 9568905120.

The previous prime is 20201022203. The next prime is 20201022271. The reversal of 20201022224 is 42222010202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33225062 + ... + 33225669.

It is an arithmetic number, because the mean of its divisors is an integer number (2059972692).

Almost surely, 220201022224 is an apocalyptic number.

It is an amenable number.

20201022224 is an abundant number, since it is smaller than the sum of its proper divisors (20998431616).

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

20201022224 is a wasteful number, since it uses less digits than its factorization.

20201022224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66450758 (or 66450752 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20201022224 its reverse (42222010202), we get a palindrome (62423032426).

The spelling of 20201022224 in words is "twenty billion, two hundred one million, twenty-two thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 66450731 132901462 265802924 531605848 1063211696 1262563889 2525127778 5050255556 10100511112 20201022224