20011711050 has 72 divisors (see below), whose sum is σ = 56594547360. Its totient is φ = 5055588000.

The previous prime is 20011711021. The next prime is 20011711079. The reversal of 20011711050 is 5011711002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20011711021) and next prime (20011711079).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1161726 + ... + 1178825.

It is an arithmetic number, because the mean of its divisors is an integer number (786035380).

Almost surely, 2^20011711050 is an apocalyptic number.

20011711050 is an abundant number, since it is smaller than the sum of its proper divisors (36582836310).

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

20011711050 is a wasteful number, since it uses less digits than its factorization.

20011711050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340588 (or 2340580 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The spelling of 20011711050 in words is "twenty billion, eleven million, seven hundred eleven thousand, fifty".