20404026722675 has 6 divisors (see below), whose sum is σ = 25300993136148. Its totient is φ = 16323221378120.

The previous prime is 20404026722647. The next prime is 20404026722713. The reversal of 20404026722675 is 57622762040402.

It is not a de Polignac number, because 20404026722675 - 2²⁰ = 20404025674099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 408080534429 + ... + 408080534478.

It is an arithmetic number, because the mean of its divisors is an integer number (4216832189358).

Almost surely, 2^{20404026722675} is an apocalyptic number.

20404026722675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20404026722675 is a deficient number, since it is larger than the sum of its proper divisors (4896966413473).

20404026722675 is an equidigital number, since it uses as much as digits as its factorization.

20404026722675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816161068917 (or 816161068912 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 20404026722675 in words is "twenty trillion, four hundred four billion, twenty-six million, seven hundred twenty-two thousand, six hundred seventy-five".