20120402031110 has 32 divisors (see below), whose sum is σ = 38674143187200. Its totient is φ = 7519972279680.

The previous prime is 20120402031089. The next prime is 20120402031133. The reversal of 20120402031110 is 1113020402102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119034505 + ... + 1119052484.

It is an arithmetic number, because the mean of its divisors is an integer number (1208566974600).

Almost surely, 2^{20120402031110} is an apocalyptic number.

20120402031110 is a deficient number, since it is larger than the sum of its proper divisors (18553741156090).

20120402031110 is a wasteful number, since it uses less digits than its factorization.

20120402031110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238087056.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120402031110 its reverse (1113020402102), we get a palindrome (21233422433212).

The spelling of 20120402031110 in words is "twenty trillion, one hundred twenty billion, four hundred two million, thirty-one thousand, one hundred ten".