20356374126 has 32 divisors (see below), whose sum is σ = 44432323200. Its totient is φ = 6166040480.

The previous prime is 20356374083. The next prime is 20356374151. The reversal of 20356374126 is 62147365302.

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, 99580 + ... + 225008.

It is an arithmetic number, because the mean of its divisors is an integer number (1388510100).

Almost surely, 2^20356374126 is an apocalyptic number.

20356374126 is an abundant number, since it is smaller than the sum of its proper divisors (24075949074).

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

20356374126 is a wasteful number, since it uses less digits than its factorization.

20356374126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127904.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 20356374126 in words is "twenty billion, three hundred fifty-six million, three hundred seventy-four thousand, one hundred twenty-six".