220372 has 12 divisors (see below), whose sum is σ = 396340. Its totient is φ = 107136.

The previous prime is 220369. The next prime is 220373. The reversal of 220372 is 273022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126736 + 93636 = 356^2 + 306^2 .

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220373) 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, 597 + ... + 892.

2²²⁰³⁷² is an apocalyptic number.

It is an amenable number.

220372 is a deficient number, since it is larger than the sum of its proper divisors (175968).

220372 is a wasteful number, since it uses less digits than its factorization.

220372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 220372 is about 469.4379618224. The cubic root of 220372 is about 60.4021138684.

Adding to 220372 its reverse (273022), we get a palindrome (493394).

Subtracting 220372 from its reverse (273022), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 220372 in words is "two hundred twenty thousand, three hundred seventy-two", and thus it is an iban number.