2120403004 has 12 divisors (see below), whose sum is σ = 3735280528. Its totient is φ = 1053180000.

The previous prime is 2120402987. The next prime is 2120403031. The reversal of 2120403004 is 4003040212.

It is a super-2 number, since 2×2120403004² = 8992217798744448032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1754697 + ... + 1755904.

Almost surely, 2^2120403004 is an apocalyptic number.

It is an amenable number.

2120403004 is a deficient number, since it is larger than the sum of its proper divisors (1614877524).

2120403004 is a wasteful number, since it uses less digits than its factorization.

2120403004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510756 (or 3510754 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2120403004 is about 46047.8338687066. The cubic root of 2120403004 is about 1284.7130537652.

Adding to 2120403004 its reverse (4003040212), we get a palindrome (6123443216).

The spelling of 2120403004 in words is "two billion, one hundred twenty million, four hundred three thousand, four".