2120432431020 has 24 divisors (see below), whose sum is σ = 5937210807024. Its totient is φ = 565448648256.

The previous prime is 2120432430959. The next prime is 2120432431049. The reversal of 2120432431020 is 201342340212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17670270199 + ... + 17670270318.

It is an arithmetic number, because the mean of its divisors is an integer number (247383783626).

Almost surely, 2^{2120432431020} is an apocalyptic number.

2120432431020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120432431020 is an abundant number, since it is smaller than the sum of its proper divisors (3816778376004).

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

2120432431020 is a wasteful number, since it uses less digits than its factorization.

2120432431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35340540529 (or 35340540527 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2120432431020 its reverse (201342340212), we get a palindrome (2321774771232).

The spelling of 2120432431020 in words is "two trillion, one hundred twenty billion, four hundred thirty-two million, four hundred thirty-one thousand, twenty".