20220100101 has 24 divisors (see below), whose sum is σ = 32269423680. Its totient is φ = 12135505536.

The previous prime is 20220100097. The next prime is 20220100127. The reversal of 20220100101 is 10100102202.

It is not a de Polignac number, because 20220100101 - 2² = 20220100097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220100801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2869471 + ... + 2876508.

It is an arithmetic number, because the mean of its divisors is an integer number (1344559320).

Almost surely, 2^20220100101 is an apocalyptic number.

It is an amenable number.

20220100101 is a deficient number, since it is larger than the sum of its proper divisors (12049323579).

20220100101 is a wasteful number, since it uses less digits than its factorization.

20220100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746025 (or 5746022 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20220100101 its reverse (10100102202), we get a palindrome (30320202303).

The spelling of 20220100101 in words is "twenty billion, two hundred twenty million, one hundred thousand, one hundred one".