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20377925592 = 2338219103307
BaseRepresentation
bin10010111110100111…
…100111011111011000
31221121011122212200220
4102332213213133120
5313213222104332
613210025400040
71320661336533
oct227647473730
957534585626
1020377925592
118707898122
123b48639020
131bc9a8a84b
14db4581a1a
157e401dd2c
hex4be9e77d8

20377925592 has 32 divisors (see below), whose sum is σ = 50951505600. Its totient is φ = 6791749664.

The previous prime is 20377925591. The next prime is 20377925597. The reversal of 20377925592 is 29552977302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377925591) 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, 145603 + ... + 248909.

It is an arithmetic number, because the mean of its divisors is an integer number (1592234550).

Almost surely, 220377925592 is an apocalyptic number.

It is an amenable number.

20377925592 is an abundant number, since it is smaller than the sum of its proper divisors (30573580008).

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

20377925592 is a wasteful number, since it uses less digits than its factorization.

20377925592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111535 (or 111531 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 20377925592 in words is "twenty billion, three hundred seventy-seven million, nine hundred twenty-five thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 8219 16438 24657 32876 49314 65752 98628 103307 197256 206614 309921 413228 619842 826456 1239684 2479368 849080233 1698160466 2547240699 3396320932 5094481398 6792641864 10188962796 20377925592