20702604374 has 4 divisors (see below), whose sum is σ = 31053906564. Its totient is φ = 10351302186.

The previous prime is 20702604371. The next prime is 20702604379. The reversal of 20702604374 is 47340620702.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20702604371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5175651092 + ... + 5175651095.

It is an arithmetic number, because the mean of its divisors is an integer number (7763476641).

Almost surely, 2^20702604374 is an apocalyptic number.

20702604374 is a deficient number, since it is larger than the sum of its proper divisors (10351302190).

20702604374 is a wasteful number, since it uses less digits than its factorization.

20702604374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351302189.

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 20702604374 in words is "twenty billion, seven hundred two million, six hundred four thousand, three hundred seventy-four".