20123232207 has 16 divisors (see below), whose sum is σ = 28898109408. Its totient is φ = 12382151040.

The previous prime is 20123232203. The next prime is 20123232221. The reversal of 20123232207 is 70223232102.

It is not a de Polignac number, because 20123232207 - 2² = 20123232203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123232203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412657 + ... + 458837.

It is an arithmetic number, because the mean of its divisors is an integer number (1806131838).

Almost surely, 2^20123232207 is an apocalyptic number.

20123232207 is a deficient number, since it is larger than the sum of its proper divisors (8774877201).

20123232207 is a wasteful number, since it uses less digits than its factorization.

20123232207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57370.

The product of its (nonzero) digits is 2016, while the sum is 24.

Adding to 20123232207 its reverse (70223232102), we get a palindrome (90346464309).

The spelling of 20123232207 in words is "twenty billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred seven".