20012502 has 16 divisors (see below), whose sum is σ = 42379632. Its totient is φ = 6278400.

The previous prime is 20012479. The next prime is 20012543. The reversal of 20012502 is 20521002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97999 + ... + 98202.

It is an arithmetic number, because the mean of its divisors is an integer number (2648727).

Almost surely, 2^20012502 is an apocalyptic number.

20012502 is an abundant number, since it is smaller than the sum of its proper divisors (22367130).

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

20012502 is a wasteful number, since it uses less digits than its factorization.

20012502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196223.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20012502 is about 4473.5335027247. The cubic root of 20012502 is about 271.4983092936.

Adding to 20012502 its reverse (20521002), we get a palindrome (40533504).

The spelling of 20012502 in words is "twenty million, twelve thousand, five hundred two".