20794969225 has 12 divisors (see below), whose sum is σ = 26170626064. Its totient is φ = 16387675920.

The previous prime is 20794969219. The next prime is 20794969309. The reversal of 20794969225 is 52296949702.

It is not a de Polignac number, because 20794969225 - 2⁵ = 20794969193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6205779 + ... + 6209128.

Almost surely, 2^20794969225 is an apocalyptic number.

20794969225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20794969225 is a deficient number, since it is larger than the sum of its proper divisors (5375656839).

20794969225 is a wasteful number, since it uses less digits than its factorization.

20794969225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12414984 (or 12414979 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 20794969225 in words is "twenty billion, seven hundred ninety-four million, nine hundred sixty-nine thousand, two hundred twenty-five".