20112022229 has 8 divisors (see below), whose sum is σ = 21667006872. Its totient is φ = 18558167040.

The previous prime is 20112022223. The next prime is 20112022237. The reversal of 20112022229 is 92222021102.

It can be written as a sum of positive squares in 4 ways, for example, as 755700100 + 19356322129 = 27490^2 + 139127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112022229 - 2²⁰ = 20110973653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112022223) 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, 245192 + ... + 316769.

It is an arithmetic number, because the mean of its divisors is an integer number (2708375859).

Almost surely, 2^20112022229 is an apocalyptic number.

It is an amenable number.

20112022229 is a deficient number, since it is larger than the sum of its proper divisors (1554984643).

20112022229 is a wasteful number, since it uses less digits than its factorization.

20112022229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564727.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20112022229 in words is "twenty billion, one hundred twelve million, twenty-two thousand, two hundred twenty-nine".