20039612 has 12 divisors (see below), whose sum is σ = 35417256. Its totient is φ = 9920400.

The previous prime is 20039599. The next prime is 20039627. The reversal of 20039612 is 21693002.

It is a super-2 number, since 2×20039612² = 803172098221088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24398 + ... + 25205.

It is an arithmetic number, because the mean of its divisors is an integer number (2951438).

Almost surely, 2^20039612 is an apocalyptic number.

It is an amenable number.

20039612 is a deficient number, since it is larger than the sum of its proper divisors (15377644).

20039612 is a wasteful number, since it uses less digits than its factorization.

20039612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49708 (or 49706 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 20039612 is about 4476.5625205061. The cubic root of 20039612 is about 271.6208493288.

The spelling of 20039612 in words is "twenty million, thirty-nine thousand, six hundred twelve".