20110926969 has 45 divisors (see below), whose sum is σ = 34962637941. Its totient is φ = 11486853000.

The previous prime is 20110926959. The next prime is 20110926973. The reversal of 20110926969 is 96962901102.

The square root of 20110926969 is 141813.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 20110926969 - 2⁵ = 20110926937 is a prime.

It is a super-2 number, since 2×20110926969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20110926929) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8933094 + ... + 8935344.

Almost surely, 2^20110926969 is an apocalyptic number.

20110926969 is the 141813-rd square number.

20110926969 is the 70907-th centered octagonal number.

It is an amenable number.

20110926969 is a deficient number, since it is larger than the sum of its proper divisors (14851710972).

20110926969 is an frugal number, since it uses more digits than its factorization.

20110926969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528 (or 2261 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 20110926969 in words is "twenty billion, one hundred ten million, nine hundred twenty-six thousand, nine hundred sixty-nine".