20111650652 has 24 divisors (see below), whose sum is σ = 35816328912. Its totient is φ = 9879753600.

The previous prime is 20111650633. The next prime is 20111650673. The reversal of 20111650652 is 25605611102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107249 + ... + 227432.

It is an arithmetic number, because the mean of its divisors is an integer number (1492347038).

Almost surely, 2^20111650652 is an apocalyptic number.

It is an amenable number.

20111650652 is a deficient number, since it is larger than the sum of its proper divisors (15704678260).

20111650652 is a wasteful number, since it uses less digits than its factorization.

20111650652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334949 (or 334947 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 20111650652 in words is "twenty billion, one hundred eleven million, six hundred fifty thousand, six hundred fifty-two".