20418364050 has 48 divisors (see below), whose sum is σ = 57871480512. Its totient is φ = 4667054400.

The previous prime is 20418364033. The next prime is 20418364061. The reversal of 20418364050 is 5046381402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9721981 + ... + 9724080.

It is an arithmetic number, because the mean of its divisors is an integer number (1205655844).

Almost surely, 2^20418364050 is an apocalyptic number.

20418364050 is an abundant number, since it is smaller than the sum of its proper divisors (37453116462).

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

20418364050 is a wasteful number, since it uses less digits than its factorization.

20418364050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19446083 (or 19446078 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 20418364050 in words is "twenty billion, four hundred eighteen million, three hundred sixty-four thousand, fifty".