20402043110 has 16 divisors (see below), whose sum is σ = 36810914832. Its totient is φ = 8141431200.

The previous prime is 20402043107. The next prime is 20402043131. The reversal of 20402043110 is 1134020402.

It is a congruent 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, 2418836 + ... + 2427255.

It is an arithmetic number, because the mean of its divisors is an integer number (2300682177).

Almost surely, 2^20402043110 is an apocalyptic number.

20402043110 is a deficient number, since it is larger than the sum of its proper divisors (16408871722).

20402043110 is a wasteful number, since it uses less digits than its factorization.

20402043110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846519.

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

Adding to 20402043110 its reverse (1134020402), we get a palindrome (21536063512).

The spelling of 20402043110 in words is "twenty billion, four hundred two million, forty-three thousand, one hundred ten".