20020222500101 has 2 divisors, whose sum is σ = 20020222500102. Its totient is φ = 20020222500100.

The previous prime is 20020222500079. The next prime is 20020222500107. The reversal of 20020222500101 is 10100522202002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19432315404100 + 587907096001 = 4408210^2 + 766751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020222500101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20020222500101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020222500107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010111250050 + 10010111250051.

It is an arithmetic number, because the mean of its divisors is an integer number (10010111250051).

Almost surely, 2^{20020222500101} is an apocalyptic number.

It is an amenable number.

20020222500101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020222500101 is an equidigital number, since it uses as much as digits as its factorization.

20020222500101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 20020222500101 its reverse (10100522202002), we get a palindrome (30120744702103).

The spelling of 20020222500101 in words is "twenty trillion, twenty billion, two hundred twenty-two million, five hundred thousand, one hundred one".