20532555030 has 32 divisors (see below), whose sum is σ = 53068758624. Its totient is φ = 5054167296.

The previous prime is 20532555007. The next prime is 20532555037. The reversal of 20532555030 is 3055523502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20532555037) 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, 26323399 + ... + 26324178.

It is an arithmetic number, because the mean of its divisors is an integer number (1658398707).

Almost surely, 2^20532555030 is an apocalyptic number.

20532555030 is an abundant number, since it is smaller than the sum of its proper divisors (32536203594).

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

20532555030 is a wasteful number, since it uses less digits than its factorization.

20532555030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52647600.

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 20532555030 in words is "twenty billion, five hundred thirty-two million, five hundred fifty-five thousand, thirty".