2120354004 has 24 divisors (see below), whose sum is σ = 4996480608. Its totient is φ = 699786400.

The previous prime is 2120353997. The next prime is 2120354009. The reversal of 2120354004 is 4004530212.

It is a super-2 number, since 2×2120354004² = 8991802204557664032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120354009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873522 + ... + 875945.

It is an arithmetic number, because the mean of its divisors is an integer number (208186692).

Almost surely, 2^2120354004 is an apocalyptic number.

It is an amenable number.

2120354004 is an abundant number, since it is smaller than the sum of its proper divisors (2876126604).

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

2120354004 is a wasteful number, since it uses less digits than its factorization.

2120354004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749575 (or 1749573 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2120354004 is about 46047.3018102038. The cubic root of 2120354004 is about 1284.7031576236.

Adding to 2120354004 its reverse (4004530212), we get a palindrome (6124884216).

The spelling of 2120354004 in words is "two billion, one hundred twenty million, three hundred fifty-four thousand, four".