20140505232 has 40 divisors (see below), whose sum is σ = 52049335296. Its totient is φ = 6710960256.

The previous prime is 20140505221. The next prime is 20140505239. The reversal of 20140505232 is 23250504102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20140505239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50898 + ... + 207054.

Almost surely, 2^20140505232 is an apocalyptic number.

It is an amenable number.

20140505232 is an abundant number, since it is smaller than the sum of its proper divisors (31908830064).

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

20140505232 is a wasteful number, since it uses less digits than its factorization.

20140505232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158855 (or 158849 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 20140505232 in words is "twenty billion, one hundred forty million, five hundred five thousand, two hundred thirty-two".