20134902 has 32 divisors (see below), whose sum is σ = 42844032. Its totient is φ = 6286464.

The previous prime is 20134897. The next prime is 20134909. The reversal of 20134902 is 20943102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134909) 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, 30993 + ... + 31635.

It is an arithmetic number, because the mean of its divisors is an integer number (1338876).

Almost surely, 2^20134902 is an apocalyptic number.

20134902 is an abundant number, since it is smaller than the sum of its proper divisors (22709130).

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

20134902 is a wasteful number, since it uses less digits than its factorization.

20134902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20134902 is about 4487.1931092834. The cubic root of 20134902 is about 272.0506952077.

The spelling of 20134902 in words is "twenty million, one hundred thirty-four thousand, nine hundred two".