20220101131 has 4 divisors (see below), whose sum is σ = 21284317000. Its totient is φ = 19155885264.

The previous prime is 20220101101. The next prime is 20220101183. The reversal of 20220101131 is 13110102202.

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

It is a cyclic number.

It is not a de Polignac number, because 20220101131 - 2²⁹ = 19683230219 is a prime.

It is a super-2 number, since 2×20220101131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220101101) 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, 532107906 + ... + 532107943.

It is an arithmetic number, because the mean of its divisors is an integer number (5321079250).

Almost surely, 2^20220101131 is an apocalyptic number.

20220101131 is a deficient number, since it is larger than the sum of its proper divisors (1064215869).

20220101131 is a wasteful number, since it uses less digits than its factorization.

20220101131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064215868.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20220101131 its reverse (13110102202), we get a palindrome (33330203333).

The spelling of 20220101131 in words is "twenty billion, two hundred twenty million, one hundred one thousand, one hundred thirty-one".