20126372355742 has 16 divisors (see below), whose sum is σ = 30692760876864. Its totient is φ = 9895541220000.

The previous prime is 20126372355703. The next prime is 20126372355767. The reversal of 20126372355742 is 24755327362102.

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, 21835734 + ... + 22738777.

It is an arithmetic number, because the mean of its divisors is an integer number (1918297554804).

Almost surely, 2^{20126372355742} is an apocalyptic number.

20126372355742 is a deficient number, since it is larger than the sum of its proper divisors (10566388521122).

20126372355742 is a wasteful number, since it uses less digits than its factorization.

20126372355742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44578275.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 20126372355742 in words is "twenty trillion, one hundred twenty-six billion, three hundred seventy-two million, three hundred fifty-five thousand, seven hundred forty-two".