20022010101 has 12 divisors (see below), whose sum is σ = 28932060300. Its totient is φ = 13342754880.

The previous prime is 20022010091. The next prime is 20022010111. The reversal of 20022010101 is 10101022002.

It is an interprime number because it is at equal distance from previous prime (20022010091) and next prime (20022010111).

It can be written as a sum of positive squares in 2 ways, for example, as 9947070225 + 10074939876 = 99735^2 + 100374^2 .

It is not a de Polignac number, because 20022010101 - 2²¹ = 20019912949 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 (20022010111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413440 + ... + 459321.

It is an arithmetic number, because the mean of its divisors is an integer number (2411005025).

Almost surely, 2^20022010101 is an apocalyptic number.

It is an amenable number.

20022010101 is a deficient number, since it is larger than the sum of its proper divisors (8910050199).

20022010101 is a wasteful number, since it uses less digits than its factorization.

20022010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875316 (or 875313 counting only the distinct ones).

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

Adding to 20022010101 its reverse (10101022002), we get a palindrome (30123032103).

The spelling of 20022010101 in words is "twenty billion, twenty-two million, ten thousand, one hundred one".