20022203101 has 16 divisors (see below), whose sum is σ = 21613395888. Its totient is φ = 18477388800.

The previous prime is 20022203099. The next prime is 20022203143. The reversal of 20022203101 is 10130222002.

It can be written as a sum of positive squares in 8 ways, for example, as 1116228100 + 18905975001 = 33410^2 + 137499^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022203101 - 2¹ = 20022203099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022203191) 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, 1670791 + ... + 1682731.

It is an arithmetic number, because the mean of its divisors is an integer number (1350837243).

Almost surely, 2^20022203101 is an apocalyptic number.

It is an amenable number.

20022203101 is a deficient number, since it is larger than the sum of its proper divisors (1591192787).

20022203101 is a wasteful number, since it uses less digits than its factorization.

20022203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20022203101 its reverse (10130222002), we get a palindrome (30152425103).

The spelling of 20022203101 in words is "twenty billion, twenty-two million, two hundred three thousand, one hundred one".