20401122022 has 32 divisors (see below), whose sum is σ = 32101816320. Its totient is φ = 9713632320.

The previous prime is 20401122019. The next prime is 20401122023. The reversal of 20401122022 is 22022110402.

It is a junction number, because it is equal to n+sod(n) for n = 20401121987 and 20401122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401122023) 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, 1453683 + ... + 1467649.

It is an arithmetic number, because the mean of its divisors is an integer number (1003181760).

Almost surely, 2^20401122022 is an apocalyptic number.

20401122022 is a deficient number, since it is larger than the sum of its proper divisors (11700694298).

20401122022 is a wasteful number, since it uses less digits than its factorization.

20401122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14436.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20401122022 its reverse (22022110402), we get a palindrome (42423232424).

The spelling of 20401122022 in words is "twenty billion, four hundred one million, one hundred twenty-two thousand, twenty-two".