20272031 has 8 divisors (see below), whose sum is σ = 22980720. Its totient is φ = 17727552.

The previous prime is 20272019. The next prime is 20272033. The reversal of 20272031 is 13027202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20272031 - 2¹⁴ = 20255647 is a prime.

It is a super-2 number, since 2×20272031² = 821910481729922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20272033) 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, 40790 + ... + 41283.

It is an arithmetic number, because the mean of its divisors is an integer number (2872590).

Almost surely, 2^20272031 is an apocalyptic number.

20272031 is a deficient number, since it is larger than the sum of its proper divisors (2708689).

20272031 is a wasteful number, since it uses less digits than its factorization.

20272031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82105.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20272031 is about 4502.4472234553. The cubic root of 20272031 is about 272.6668999732. Note that the first 3 decimals are identical.

Adding to 20272031 its reverse (13027202), we get a palindrome (33299233).

The spelling of 20272031 in words is "twenty million, two hundred seventy-two thousand, thirty-one".