2120248764 has 24 divisors (see below), whose sum is σ = 5496941520. Its totient is φ = 706749552.

The previous prime is 2120248759. The next prime is 2120248771. The reversal of 2120248764 is 4678420212.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9815859 + ... + 9816074.

It is an arithmetic number, because the mean of its divisors is an integer number (229039230).

Almost surely, 2^2120248764 is an apocalyptic number.

It is an amenable number.

2120248764 is an abundant number, since it is smaller than the sum of its proper divisors (3376692756).

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

2120248764 is a wasteful number, since it uses less digits than its factorization.

2120248764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19631946 (or 19631938 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2120248764 is about 46046.1590580583. The cubic root of 2120248764 is about 1284.6819026198.

Adding to 2120248764 its reverse (4678420212), we get a palindrome (6798668976).

The spelling of 2120248764 in words is "two billion, one hundred twenty million, two hundred forty-eight thousand, seven hundred sixty-four".