20123031022 has 8 divisors (see below), whose sum is σ = 30188754072. Its totient is φ = 10060113000.

The previous prime is 20123030987. The next prime is 20123031029. The reversal of 20123031022 is 22013032102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20123030987 and 20123031005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123031029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683229 + ... + 712072.

It is an arithmetic number, because the mean of its divisors is an integer number (3773594259).

Almost surely, 2^20123031022 is an apocalyptic number.

20123031022 is a deficient number, since it is larger than the sum of its proper divisors (10065723050).

20123031022 is a wasteful number, since it uses less digits than its factorization.

20123031022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402514.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20123031022 its reverse (22013032102), we get a palindrome (42136063124).

The spelling of 20123031022 in words is "twenty billion, one hundred twenty-three million, thirty-one thousand, twenty-two".