20022220101 has 64 divisors (see below), whose sum is σ = 31216582656. Its totient is φ = 11303193600.

The previous prime is 20022220093. The next prime is 20022220129. The reversal of 20022220101 is 10102222002.

It is not a de Polignac number, because 20022220101 - 2³ = 20022220093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022225101) 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 63 ways as a sum of consecutive naturals, for example, 8443446 + ... + 8445816.

It is an arithmetic number, because the mean of its divisors is an integer number (487759104).

Almost surely, 2^20022220101 is an apocalyptic number.

It is an amenable number.

20022220101 is a deficient number, since it is larger than the sum of its proper divisors (11194362555).

20022220101 is a wasteful number, since it uses less digits than its factorization.

20022220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20022220101 its reverse (10102222002), we get a palindrome (30124442103).

The spelling of 20022220101 in words is "twenty billion, twenty-two million, two hundred twenty thousand, one hundred one".