20522553551352 has 64 divisors (see below), whose sum is σ = 58547825469600. Its totient is φ = 6655963311360.

The previous prime is 20522553551351. The next prime is 20522553551371. The reversal of 20522553551352 is 25315535522502.

20522553551352 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 2 + 55 + 35 + 513 + 52 = 666.

It is a super-3 number, since 3×20522553551352³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20522553551298 and 20522553551307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522553551351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283935549 + ... + 1283951532.

Almost surely, 2^{20522553551352} is an apocalyptic number.

It is an amenable number.

20522553551352 is an abundant number, since it is smaller than the sum of its proper divisors (38025271918248).

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

20522553551352 is a wasteful number, since it uses less digits than its factorization.

20522553551352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567887133 (or 2567887123 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 45.

The spelling of 20522553551352 in words is "twenty trillion, five hundred twenty-two billion, five hundred fifty-three million, five hundred fifty-one thousand, three hundred fifty-two".