20024031 has 16 divisors (see below), whose sum is σ = 27498240. Its totient is φ = 12953280.

The previous prime is 20024009. The next prime is 20024077. The reversal of 20024031 is 13042002.

It is not a de Polignac number, because 20024031 - 2⁷ = 20023903 is a prime.

It is a super-2 number, since 2×20024031² = 801923634977922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023998 and 20024016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32040 + ... + 32658.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^20024031 is an apocalyptic number.

20024031 is a deficient number, since it is larger than the sum of its proper divisors (7474209).

20024031 is a wasteful number, since it uses less digits than its factorization.

20024031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20024031 is about 4474.8218958971. The cubic root of 20024031 is about 271.5504350952.

Adding to 20024031 its reverse (13042002), we get a palindrome (33066033).

The spelling of 20024031 in words is "twenty million, twenty-four thousand, thirty-one".