20412231022 has 4 divisors (see below), whose sum is σ = 30618346536. Its totient is φ = 10206115510.

The previous prime is 20412230983. The next prime is 20412231023. The reversal of 20412231022 is 22013221402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412231023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103057754 + ... + 5103057757.

It is an arithmetic number, because the mean of its divisors is an integer number (7654586634).

Almost surely, 2^20412231022 is an apocalyptic number.

20412231022 is a deficient number, since it is larger than the sum of its proper divisors (10206115514).

20412231022 is a wasteful number, since it uses less digits than its factorization.

20412231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206115513.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20412231022 its reverse (22013221402), we get a palindrome (42425452424).

The spelling of 20412231022 in words is "twenty billion, four hundred twelve million, two hundred thirty-one thousand, twenty-two".