10020120984 has 64 divisors (see below), whose sum is σ = 28103961600. Its totient is φ = 3307605408.

The previous prime is 10020120973. The next prime is 10020121021. The reversal of 10020120984 is 48902102001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202944 + ... + 247439.

It is an arithmetic number, because the mean of its divisors is an integer number (439124400).

Almost surely, 2^10020120984 is an apocalyptic number.

It is an amenable number.

10020120984 is an abundant number, since it is smaller than the sum of its proper divisors (18083840616).

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

10020120984 is a wasteful number, since it uses less digits than its factorization.

10020120984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450501 (or 450491 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 10020120984 its reverse (48902102001), we get a palindrome (58922222985).

The spelling of 10020120984 in words is "ten billion, twenty million, one hundred twenty thousand, nine hundred eighty-four".