172263020 has 24 divisors (see below), whose sum is σ = 363850704. Its totient is φ = 68505536.

The previous prime is 172263019. The next prime is 172263061. The reversal of 172263020 is 20362271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21434 + ... + 28353.

It is an arithmetic number, because the mean of its divisors is an integer number (15160446).

Almost surely, 2^172263020 is an apocalyptic number.

172263020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172263020 is an abundant number, since it is smaller than the sum of its proper divisors (191587684).

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

172263020 is a wasteful number, since it uses less digits than its factorization.

172263020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49969 (or 49967 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 172263020 is about 13124.9007615296. The cubic root of 172263020 is about 556.4131075774.

The spelling of 172263020 in words is "one hundred seventy-two million, two hundred sixty-three thousand, twenty".