20331034 has 16 divisors (see below), whose sum is σ = 31996800. Its totient is φ = 9670320.

The previous prime is 20331023. The next prime is 20331043. The reversal of 20331034 is 43013302.

It is a junction number, because it is equal to n+sod(n) for n = 20330999 and 20331017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8044 + ... + 10264.

It is an arithmetic number, because the mean of its divisors is an integer number (1999800).

Almost surely, 2^20331034 is an apocalyptic number.

20331034 is a deficient number, since it is larger than the sum of its proper divisors (11665766).

20331034 is a wasteful number, since it uses less digits than its factorization.

20331034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 20331034 is about 4508.9947881984. The cubic root of 20331034 is about 272.9311816947.

Adding to 20331034 its reverse (43013302), we get a palindrome (63344336).

The spelling of 20331034 in words is "twenty million, three hundred thirty-one thousand, thirty-four".