20031320110 has 64 divisors (see below), whose sum is σ = 37586073600. Its totient is φ = 7679992320.

The previous prime is 20031320107. The next prime is 20031320213. The reversal of 20031320110 is 1102313002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7000080 + ... + 7002940.

It is an arithmetic number, because the mean of its divisors is an integer number (587282400).

Almost surely, 2^20031320110 is an apocalyptic number.

20031320110 is a deficient number, since it is larger than the sum of its proper divisors (17554753490).

20031320110 is a wasteful number, since it uses less digits than its factorization.

20031320110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20031320110 its reverse (1102313002), we get a palindrome (21133633112).

The spelling of 20031320110 in words is "twenty billion, thirty-one million, three hundred twenty thousand, one hundred ten".