20295404 has 6 divisors (see below), whose sum is σ = 35516964. Its totient is φ = 10147700.

The previous prime is 20295403. The next prime is 20295419. The reversal of 20295404 is 40459202.

It is not an unprimeable number, because it can be changed into a prime (20295403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2536922 + ... + 2536929.

It is an arithmetic number, because the mean of its divisors is an integer number (5919494).

Almost surely, 2^20295404 is an apocalyptic number.

It is an amenable number.

20295404 is a deficient number, since it is larger than the sum of its proper divisors (15221560).

20295404 is a wasteful number, since it uses less digits than its factorization.

20295404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073855 (or 5073853 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20295404 is about 4505.0420641765. The cubic root of 20295404 is about 272.7716517815.

The spelling of 20295404 in words is "twenty million, two hundred ninety-five thousand, four hundred four".