20257460702 has 8 divisors (see below), whose sum is σ = 30727609200. Its totient is φ = 10014924304.

The previous prime is 20257460693. The next prime is 20257460723. The reversal of 20257460702 is 20706475202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56902802 + ... + 56903157.

It is an arithmetic number, because the mean of its divisors is an integer number (3840951150).

Almost surely, 2^20257460702 is an apocalyptic number.

20257460702 is a deficient number, since it is larger than the sum of its proper divisors (10470148498).

20257460702 is a wasteful number, since it uses less digits than its factorization.

20257460702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113806050.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 20257460702 in words is "twenty billion, two hundred fifty-seven million, four hundred sixty thousand, seven hundred two".