19700131740 has 24 divisors (see below), whose sum is σ = 55160369040. Its totient is φ = 5253368448.

The previous prime is 19700131729. The next prime is 19700131753. The reversal of 19700131740 is 4713100791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164167705 + ... + 164167824.

It is an arithmetic number, because the mean of its divisors is an integer number (2298348710).

Almost surely, 2^19700131740 is an apocalyptic number.

19700131740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19700131740 is an abundant number, since it is smaller than the sum of its proper divisors (35460237300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19700131740 is a wasteful number, since it uses less digits than its factorization.

19700131740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328335541 (or 328335539 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The spelling of 19700131740 in words is "nineteen billion, seven hundred million, one hundred thirty-one thousand, seven hundred forty".