20751674380238 has 32 divisors (see below), whose sum is σ = 31936332298752. Its totient is φ = 10107025905600.

The previous prime is 20751674380219. The next prime is 20751674380249. The reversal of 20751674380238 is 83208347615702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212957195 + ... + 213054617.

It is an arithmetic number, because the mean of its divisors is an integer number (998010384336).

Almost surely, 2^{20751674380238} is an apocalyptic number.

20751674380238 is a deficient number, since it is larger than the sum of its proper divisors (11184657918514).

20751674380238 is a wasteful number, since it uses less digits than its factorization.

20751674380238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101480.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 20751674380238 in words is "twenty trillion, seven hundred fifty-one billion, six hundred seventy-four million, three hundred eighty thousand, two hundred thirty-eight".