20022020101 has 8 divisors (see below), whose sum is σ = 20138640984. Its totient is φ = 19905699840.

The previous prime is 20022020059. The next prime is 20022020111. The reversal of 20022020101 is 10102022002.

It can be written as a sum of positive squares in 4 ways, for example, as 9075420225 + 10946599876 = 95265^2 + 104626^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022020101 - 2²⁵ = 19988465669 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 (20022020111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59131 + ... + 208663.

It is an arithmetic number, because the mean of its divisors is an integer number (2517330123).

Almost surely, 2^20022020101 is an apocalyptic number.

It is an amenable number.

20022020101 is a deficient number, since it is larger than the sum of its proper divisors (116620883).

20022020101 is a wasteful number, since it uses less digits than its factorization.

20022020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150311.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20022020101 its reverse (10102022002), we get a palindrome (30124042103).

The spelling of 20022020101 in words is "twenty billion, twenty-two million, twenty thousand, one hundred one".