220140372 has 12 divisors (see below), whose sum is σ = 513660896. Its totient is φ = 73380120.

The previous prime is 220140353. The next prime is 220140377. The reversal of 220140372 is 273041022.

220140372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220140377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9172504 + ... + 9172527.

Almost surely, 2^220140372 is an apocalyptic number.

It is an amenable number.

220140372 is an abundant number, since it is smaller than the sum of its proper divisors (293520524).

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

220140372 is a wasteful number, since it uses less digits than its factorization.

220140372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345038 (or 18345036 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 220140372 is about 14837.1281587779. The cubic root of 220140372 is about 603.8094401997.

Adding to 220140372 its reverse (273041022), we get a palindrome (493181394).

The spelling of 220140372 in words is "two hundred twenty million, one hundred forty thousand, three hundred seventy-two".