20082931 has 8 divisors (see below), whose sum is σ = 22003200. Its totient is φ = 18178440.

The previous prime is 20082911. The next prime is 20082961. The reversal of 20082931 is 13928002.

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 20082931 - 2¹⁷ = 19951859 is a prime.

It is a super-2 number, since 2×20082931² = 806648235101522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20082896 and 20082905.

It is not an unprimeable number, because it can be changed into a prime (20082911) 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 7 ways as a sum of consecutive naturals, for example, 1191 + ... + 6448.

It is an arithmetic number, because the mean of its divisors is an integer number (2750400).

Almost surely, 2^20082931 is an apocalyptic number.

20082931 is a deficient number, since it is larger than the sum of its proper divisors (1920269).

20082931 is a wasteful number, since it uses less digits than its factorization.

20082931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 20082931 is about 4481.3983308784. The cubic root of 20082931 is about 271.8164265590.

The spelling of 20082931 in words is "twenty million, eighty-two thousand, nine hundred thirty-one".