20107881326 has 16 divisors (see below), whose sum is σ = 32503927344. Its totient is φ = 9274284864.

The previous prime is 20107881301. The next prime is 20107881379. The reversal of 20107881326 is 62318870102.

It is a self number, because there is not a number n which added to its sum of digits gives 20107881326.

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, 222191 + ... + 299306.

It is an arithmetic number, because the mean of its divisors is an integer number (2031495459).

Almost surely, 2^20107881326 is an apocalyptic number.

20107881326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20107881326 is a deficient number, since it is larger than the sum of its proper divisors (12396046018).

20107881326 is a wasteful number, since it uses less digits than its factorization.

20107881326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522995.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 20107881326 in words is "twenty billion, one hundred seven million, eight hundred eighty-one thousand, three hundred twenty-six".