2120404130 has 48 divisors (see below), whose sum is σ = 4142534400. Its totient is φ = 781095744.

The previous prime is 2120404129. The next prime is 2120404133. The reversal of 2120404130 is 314040212.

It is a super-2 number, since 2×2120404130² = 8992227349042113800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120404099 and 2120404108.

It is not an unprimeable number, because it can be changed into a prime (2120404133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 882671 + ... + 885069.

It is an arithmetic number, because the mean of its divisors is an integer number (86302800).

Almost surely, 2^2120404130 is an apocalyptic number.

2120404130 is a deficient number, since it is larger than the sum of its proper divisors (2022130270).

2120404130 is a wasteful number, since it uses less digits than its factorization.

2120404130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2120404130 is about 46047.8460951215. The cubic root of 2120404130 is about 1284.7132811727.

Adding to 2120404130 its reverse (314040212), we get a palindrome (2434444342).

The spelling of 2120404130 in words is "two billion, one hundred twenty million, four hundred four thousand, one hundred thirty".