272311020 has 72 divisors (see below), whose sum is σ = 827438976. Its totient is φ = 72490752.

The previous prime is 272311001. The next prime is 272311027. The reversal of 272311020 is 20113272.

It is a super-2 number, since 2×272311020² = 148306583226880800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 272310984 and 272311002.

It is not an unprimeable number, because it can be changed into a prime (272311027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154464 + ... + 156216.

It is an arithmetic number, because the mean of its divisors is an integer number (11492208).

Almost surely, 2^272311020 is an apocalyptic number.

272311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272311020 is an abundant number, since it is smaller than the sum of its proper divisors (555127956).

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

272311020 is a wasteful number, since it uses less digits than its factorization.

272311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 272311020 is about 16501.8489873105. The cubic root of 272311020 is about 648.1692230652.

Adding to 272311020 its reverse (20113272), we get a palindrome (292424292).

The spelling of 272311020 in words is "two hundred seventy-two million, three hundred eleven thousand, twenty".