20011322022 has 16 divisors (see below), whose sum is σ = 40024249200. Its totient is φ = 6670173152.

The previous prime is 20011321933. The next prime is 20011322029. The reversal of 20011322022 is 22022311002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20011321992 and 20011322010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011322029) 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, 148588 + ... + 249200.

It is an arithmetic number, because the mean of its divisors is an integer number (2501515575).

Almost surely, 2^20011322022 is an apocalyptic number.

20011322022 is an abundant number, since it is smaller than the sum of its proper divisors (20012927178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011322022 is a wasteful number, since it uses less digits than its factorization.

20011322022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133767.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20011322022 its reverse (22022311002), we get a palindrome (42033633024).

The spelling of 20011322022 in words is "twenty billion, eleven million, three hundred twenty-two thousand, twenty-two".