20532002502 has 32 divisors (see below), whose sum is σ = 45082450944. Its totient is φ = 6182186400.

The previous prime is 20532002479. The next prime is 20532002539. The reversal of 20532002502 is 20520023502.

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, 980374 + ... + 1001097.

It is an arithmetic number, because the mean of its divisors is an integer number (1408826592).

Almost surely, 2^20532002502 is an apocalyptic number.

20532002502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20532002502 is an abundant number, since it is smaller than the sum of its proper divisors (24550448442).

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

20532002502 is a wasteful number, since it uses less digits than its factorization.

20532002502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981644.

The product of its (nonzero) digits is 1200, while the sum is 21.

The spelling of 20532002502 in words is "twenty billion, five hundred thirty-two million, two thousand, five hundred two".