64020020262 has 16 divisors (see below), whose sum is σ = 139680044352. Its totient is φ = 19400006120.

The previous prime is 64020020257. The next prime is 64020020279. The reversal of 64020020262 is 26202002046.

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, 485000088 + ... + 485000219.

It is an arithmetic number, because the mean of its divisors is an integer number (8730002772).

Almost surely, 2^64020020262 is an apocalyptic number.

64020020262 is an abundant number, since it is smaller than the sum of its proper divisors (75660024090).

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

64020020262 is a wasteful number, since it uses less digits than its factorization.

64020020262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970000323.

The product of its (nonzero) digits is 2304, while the sum is 24.

The spelling of 64020020262 in words is "sixty-four billion, twenty million, twenty thousand, two hundred sixty-two".