20702740046375 has 16 divisors (see below), whose sum is σ = 25877327040864. Its totient is φ = 16536353920000.

The previous prime is 20702740046299. The next prime is 20702740046377. The reversal of 20702740046375 is 57364004720702.

It is not a de Polignac number, because 20702740046375 - 2⁴² = 16304693535271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20702740046377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129110141 + ... + 129270390.

It is an arithmetic number, because the mean of its divisors is an integer number (1617332940054).

Almost surely, 2^{20702740046375} is an apocalyptic number.

20702740046375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20702740046375 is a deficient number, since it is larger than the sum of its proper divisors (5174586994489).

20702740046375 is an equidigital number, since it uses as much as digits as its factorization.

20702740046375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258381187 (or 258381177 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 20702740046375 in words is "twenty trillion, seven hundred two billion, seven hundred forty million, forty-six thousand, three hundred seventy-five".