20132910 has 48 divisors (see below), whose sum is σ = 59825376. Its totient is φ = 4601664.

The previous prime is 20132881. The next prime is 20132911. The reversal of 20132910 is 1923102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15349 + ... + 16608.

It is an arithmetic number, because the mean of its divisors is an integer number (1246362).

Almost surely, 2^20132910 is an apocalyptic number.

20132910 is an abundant number, since it is smaller than the sum of its proper divisors (39692466).

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

20132910 is a wasteful number, since it uses less digits than its factorization.

20132910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31977 (or 31974 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20132910 is about 4486.9711387527. The cubic root of 20132910 is about 272.0417233429.

The spelling of 20132910 in words is "twenty million, one hundred thirty-two thousand, nine hundred ten".