20090909110 has 16 divisors (see below), whose sum is σ = 36514741536. Its totient is φ = 7958340288.

The previous prime is 20090909107. The next prime is 20090909119. The reversal of 20090909110 is 1190909002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20090909119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9751839 + ... + 9753898.

It is an arithmetic number, because the mean of its divisors is an integer number (2282171346).

Almost surely, 2^20090909110 is an apocalyptic number.

20090909110 is a deficient number, since it is larger than the sum of its proper divisors (16423832426).

20090909110 is a wasteful number, since it uses less digits than its factorization.

20090909110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19505847.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 20090909110 in words is "twenty billion, ninety million, nine hundred nine thousand, one hundred ten".