60015201920 has 64 divisors (see below), whose sum is σ = 144894531240. Its totient is φ = 23768371200.

The previous prime is 60015201893. The next prime is 60015201929. The reversal of 60015201920 is 2910251006.

It can be written as a sum of positive squares in 4 ways, for example, as 60001482304 + 13719616 = 244952^2 + 3704^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×60015201920² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60015201920.

It is not an unprimeable number, because it can be changed into a prime (60015201929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399587 + ... + 528866.

Almost surely, 2^60015201920 is an apocalyptic number.

It is an amenable number.

60015201920 is an abundant number, since it is smaller than the sum of its proper divisors (84879329320).

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

60015201920 is a wasteful number, since it uses less digits than its factorization.

60015201920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928573 (or 928561 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 60015201920 its reverse (2910251006), we get a palindrome (62925452926).

The spelling of 60015201920 in words is "sixty billion, fifteen million, two hundred one thousand, nine hundred twenty".