20122202020 has 12 divisors (see below), whose sum is σ = 42256624284. Its totient is φ = 8048880800.

The previous prime is 20122202011. The next prime is 20122202039. The reversal of 20122202020 is 2020222102.

20122202020 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in 2 ways, for example, as 11290337536 + 8831864484 = 106256^2 + 93978^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503055031 + ... + 503055070.

It is an arithmetic number, because the mean of its divisors is an integer number (3521385357).

Almost surely, 2^20122202020 is an apocalyptic number.

20122202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122202020 is an abundant number, since it is smaller than the sum of its proper divisors (22134422264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122202020 is a wasteful number, since it uses less digits than its factorization.

20122202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006110110 (or 1006110108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20122202020 its reverse (2020222102), we get a palindrome (22142424122).

The spelling of 20122202020 in words is "twenty billion, one hundred twenty-two million, two hundred two thousand, twenty".