20200405064 has 16 divisors (see below), whose sum is σ = 43286582400. Its totient is φ = 8657316432.

The previous prime is 20200405033. The next prime is 20200405117. The reversal of 20200405064 is 46050400202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180360704 + ... + 180360815.

It is an arithmetic number, because the mean of its divisors is an integer number (2705411400).

Almost surely, 2^20200405064 is an apocalyptic number.

It is an amenable number.

20200405064 is an abundant number, since it is smaller than the sum of its proper divisors (23086177336).

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

20200405064 is a wasteful number, since it uses less digits than its factorization.

20200405064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360721532 (or 360721528 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20200405064 its reverse (46050400202), we get a palindrome (66250805266).

The spelling of 20200405064 in words is "twenty billion, two hundred million, four hundred five thousand, sixty-four".