20132550534 has 32 divisors (see below), whose sum is σ = 41657969664. Its totient is φ = 6479684640.

The previous prime is 20132550523. The next prime is 20132550547. The reversal of 20132550534 is 43505523102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39769 + ... + 204564.

It is an arithmetic number, because the mean of its divisors is an integer number (1301811552).

Almost surely, 2^20132550534 is an apocalyptic number.

20132550534 is an abundant number, since it is smaller than the sum of its proper divisors (21525419130).

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

20132550534 is a wasteful number, since it uses less digits than its factorization.

20132550534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244812.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 20132550534 in words is "twenty billion, one hundred thirty-two million, five hundred fifty thousand, five hundred thirty-four".