120020031430 has 32 divisors (see below), whose sum is σ = 237604316544. Its totient is φ = 43372212096.

The previous prime is 120020031413. The next prime is 120020031463. The reversal of 120020031430 is 34130020021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9815497 + ... + 9827716.

It is an arithmetic number, because the mean of its divisors is an integer number (7425134892).

Almost surely, 2^120020031430 is an apocalyptic number.

120020031430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120020031430 is a deficient number, since it is larger than the sum of its proper divisors (117584285114).

120020031430 is a wasteful number, since it uses less digits than its factorization.

120020031430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19643280.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120020031430 its reverse (34130020021), we get a palindrome (154150051451).

The spelling of 120020031430 in words is "one hundred twenty billion, twenty million, thirty-one thousand, four hundred thirty".