20137134 has 16 divisors (see below), whose sum is σ = 40532688. Its totient is φ = 6669312.

The previous prime is 20137111. The next prime is 20137153. The reversal of 20137134 is 43173102.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 20137134.

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, 9747 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (2533293).

Almost surely, 2^20137134 is an apocalyptic number.

20137134 is an abundant number, since it is smaller than the sum of its proper divisors (20395554).

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

20137134 is a wasteful number, since it uses less digits than its factorization.

20137134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20137134 is about 4487.4418102077. The cubic root of 20137134 is about 272.0607473172.

The spelling of 20137134 in words is "twenty million, one hundred thirty-seven thousand, one hundred thirty-four".