2120713920 has 448 divisors, whose sum is σ = 8193024000. Its totient is φ = 513257472.

The previous prime is 2120713891. The next prime is 2120713927. The reversal of 2120713920 is 293170212.

2120713920 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (2120713927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8873161 + ... + 8873399.

It is an arithmetic number, because the mean of its divisors is an integer number (18288000).

Almost surely, 2^2120713920 is an apocalyptic number.

2120713920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120713920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4096512000).

2120713920 is an abundant number, since it is smaller than the sum of its proper divisors (6072310080).

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

2120713920 is a wasteful number, since it uses less digits than its factorization.

2120713920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2120713920 is about 46051.2097560965. The cubic root of 2120713920 is about 1284.7758434520.

The spelling of 2120713920 in words is "two billion, one hundred twenty million, seven hundred thirteen thousand, nine hundred twenty".