2120690484 has 240 divisors, whose sum is σ = 6278912640. Its totient is φ = 618658560.

The previous prime is 2120690477. The next prime is 2120690521. The reversal of 2120690484 is 4840960212.

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 79 ways as a sum of consecutive naturals, for example, 19455822 + ... + 19455930.

It is an arithmetic number, because the mean of its divisors is an integer number (26162136).

Almost surely, 2^2120690484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120690484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3139456320).

2120690484 is an abundant number, since it is smaller than the sum of its proper divisors (4158222156).

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

2120690484 is a wasteful number, since it uses less digits than its factorization.

2120690484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2120690484 is about 46050.9552995375. The cubic root of 2120690484 is about 1284.7711107506.

The spelling of 2120690484 in words is "two billion, one hundred twenty million, six hundred ninety thousand, four hundred eighty-four".