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20235542001052 = 2271230775871917
BaseRepresentation
bin1001001100111011101000…
…10010101111010110011100
32122122111110201021220202111
410212131310102233112130
510123014342223013202
6111012025112403404
74155653411010130
oct446356422572634
978574421256674
1020235542001052
1164a1932a13724
12232994a0a6564
13b3a284bc6261
144dd5968153c0
1525158d74d6d7
hex1267744af59c

20235542001052 has 24 divisors (see below), whose sum is σ = 40471419721824. Its totient is φ = 8672303203392.

The previous prime is 20235542001019. The next prime is 20235542001061. The reversal of 20235542001052 is 25010024553202.

It is a congruent number.

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, 510198 + ... + 6382114.

It is an arithmetic number, because the mean of its divisors is an integer number (1686309155076).

Almost surely, 220235542001052 is an apocalyptic number.

It is an amenable number.

20235542001052 is an abundant number, since it is smaller than the sum of its proper divisors (20235877720772).

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

20235542001052 is a wasteful number, since it uses less digits than its factorization.

20235542001052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995005 (or 5995003 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 20235542001052 its reverse (25010024553202), we get a palindrome (45245566554254).

The spelling of 20235542001052 in words is "twenty trillion, two hundred thirty-five billion, five hundred forty-two million, one thousand, fifty-two".

Divisors: 1 2 4 7 14 28 123077 246154 492308 861539 1723078 3446156 5871917 11743834 23487668 41103419 82206838 164413676 722697928609 1445395857218 2890791714436 5058885500263 10117771000526 20235542001052