20122020200101 has 12 divisors (see below), whose sum is σ = 20539687628460. Its totient is φ = 19712178636480.

The previous prime is 20122020200089. The next prime is 20122020200159. The reversal of 20122020200101 is 10100202022102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7250794852900 + 12871225347201 = 2692730^2 + 3587649^2 .

It is not a de Polignac number, because 20122020200101 - 2⁵ = 20122020200069 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 (20122060200101) 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, 11570136 + ... + 13195153.

It is an arithmetic number, because the mean of its divisors is an integer number (1711640635705).

Almost surely, 2^{20122020200101} is an apocalyptic number.

It is an amenable number.

20122020200101 is a deficient number, since it is larger than the sum of its proper divisors (417667428359).

20122020200101 is an equidigital number, since it uses as much as digits as its factorization.

20122020200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24765604 (or 24765537 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20122020200101 its reverse (10100202022102), we get a palindrome (30222222222203).

The spelling of 20122020200101 in words is "twenty trillion, one hundred twenty-two billion, twenty million, two hundred thousand, one hundred one".