20329025 has 24 divisors (see below), whose sum is σ = 27569664. Its totient is φ = 14803200.

The previous prime is 20329013. The next prime is 20329061. The reversal of 20329025 is 52092302.

It is not a de Polignac number, because 20329025 - 2⁴ = 20329009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12404 + ... + 13946.

It is an arithmetic number, because the mean of its divisors is an integer number (1148736).

Almost surely, 2^20329025 is an apocalyptic number.

20329025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20329025 is a deficient number, since it is larger than the sum of its proper divisors (7240639).

20329025 is a wasteful number, since it uses less digits than its factorization.

20329025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20329025 is about 4508.7720057683. The cubic root of 20329025 is about 272.9221915501.

The spelling of 20329025 in words is "twenty million, three hundred twenty-nine thousand, twenty-five".