20131937726 has 16 divisors (see below), whose sum is σ = 31683055488. Its totient is φ = 9581565600.

The previous prime is 20131937719. The next prime is 20131937729. The reversal of 20131937726 is 62773913102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131937729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657765 + ... + 2665328.

It is an arithmetic number, because the mean of its divisors is an integer number (1980190968).

Almost surely, 2^20131937726 is an apocalyptic number.

20131937726 is a deficient number, since it is larger than the sum of its proper divisors (11551117762).

20131937726 is a wasteful number, since it uses less digits than its factorization.

20131937726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323187.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 20131937726 in words is "twenty billion, one hundred thirty-one million, nine hundred thirty-seven thousand, seven hundred twenty-six".