2120403024 has 30 divisors (see below), whose sum is σ = 5934183866. Its totient is φ = 706800960.

The previous prime is 2120402987. The next prime is 2120403031. The reversal of 2120403024 is 4203040212.

It can be written as a sum of positive squares in only one way, i.e., 1986306624 + 134096400 = 44568^2 + 11580^2 .

It is a super-2 number, since 2×2120403024² = 8992217968376689152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2120402988 and 2120403006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7362367 + ... + 7362654.

Almost surely, 2^2120403024 is an apocalyptic number.

2120403024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2120403024 is an abundant number, since it is smaller than the sum of its proper divisors (3813780842).

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

2120403024 is a wasteful number, since it uses less digits than its factorization.

2120403024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14725035 (or 14725026 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2120403024 is about 46047.8340858721. The cubic root of 2120403024 is about 1284.7130578044.

Adding to 2120403024 its reverse (4203040212), we get a palindrome (6323443236).

The spelling of 2120403024 in words is "two billion, one hundred twenty million, four hundred three thousand, twenty-four".