20326900950 has 72 divisors (see below), whose sum is σ = 54629612856. Its totient is φ = 5418720000.

The previous prime is 20326900939. The next prime is 20326900981. The reversal of 20326900950 is 5900962302.

It is a super-2 number, since 2×20326900950² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1903125 + ... + 1913775.

It is an arithmetic number, because the mean of its divisors is an integer number (758744623).

Almost surely, 2^20326900950 is an apocalyptic number.

20326900950 is an abundant number, since it is smaller than the sum of its proper divisors (34302711906).

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

20326900950 is a wasteful number, since it uses less digits than its factorization.

20326900950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14910 (or 14902 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 20326900950 in words is "twenty billion, three hundred twenty-six million, nine hundred thousand, nine hundred fifty".