2120240402 has 32 divisors (see below), whose sum is σ = 3823804800. Its totient is φ = 862460928.

The previous prime is 2120240363. The next prime is 2120240407. The reversal of 2120240402 is 2040420212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2120240407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20303 + ... + 68210.

It is an arithmetic number, because the mean of its divisors is an integer number (119493900).

Almost surely, 2^2120240402 is an apocalyptic number.

2120240402 is a deficient number, since it is larger than the sum of its proper divisors (1703564398).

2120240402 is a wasteful number, since it uses less digits than its factorization.

2120240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88610.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2120240402 is about 46046.0682577785. The cubic root of 2120240402 is about 1284.6802137419.

Adding to 2120240402 its reverse (2040420212), we get a palindrome (4160660614).

The spelling of 2120240402 in words is "two billion, one hundred twenty million, two hundred forty thousand, four hundred two".