20029266025 has 6 divisors (see below), whose sum is σ = 24836289902. Its totient is φ = 16023412800.

The previous prime is 20029266017. The next prime is 20029266077. The reversal of 20029266025 is 52066292002.

It can be written as a sum of positive squares in 3 ways, for example, as 16353936 + 20012912089 = 4044^2 + 141467^2 .

It is not a de Polignac number, because 20029266025 - 2³ = 20029266017 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 5 ways as a sum of consecutive naturals, for example, 400585296 + ... + 400585345.

Almost surely, 2^20029266025 is an apocalyptic number.

20029266025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20029266025 is a deficient number, since it is larger than the sum of its proper divisors (4807023877).

20029266025 is an equidigital number, since it uses as much as digits as its factorization.

20029266025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801170651 (or 801170646 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 20029266025 in words is "twenty billion, twenty-nine million, two hundred sixty-six thousand, twenty-five".