20295026 has 16 divisors (see below), whose sum is σ = 31087800. Its totient is φ = 9934848.

The previous prime is 20295013. The next prime is 20295047. The reversal of 20295026 is 62059202.

It is a Cunningham number, because it is equal to 4505²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6225025 + 14070001 = 2495^2 + 3751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20294986 and 20295004.

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, 19610 + ... + 20618.

Almost surely, 2^20295026 is an apocalyptic number.

20295026 is a deficient number, since it is larger than the sum of its proper divisors (10792774).

20295026 is a wasteful number, since it uses less digits than its factorization.

20295026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20295026 is about 4505.0001109878. Note that the first 3 decimals coincide. The cubic root of 20295026 is about 272.7699583221.

The spelling of 20295026 in words is "twenty million, two hundred ninety-five thousand, twenty-six".