2122102020 has 48 divisors (see below), whose sum is σ = 6254619840. Its totient is φ = 536109696.

The previous prime is 2122102007. The next prime is 2122102049. The reversal of 2122102020 is 202012212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2122101987 and 2122102005.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 929607 + ... + 931886.

It is an arithmetic number, because the mean of its divisors is an integer number (130304580).

Almost surely, 2^2122102020 is an apocalyptic number.

2122102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122102020 is an abundant number, since it is smaller than the sum of its proper divisors (4132517820).

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

2122102020 is a wasteful number, since it uses less digits than its factorization.

2122102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861524 (or 1861522 counting only the distinct ones).

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

The square root of 2122102020 is about 46066.2785560110. The cubic root of 2122102020 is about 1285.0560963061.

Adding to 2122102020 its reverse (202012212), we get a palindrome (2324114232).

The spelling of 2122102020 in words is "two billion, one hundred twenty-two million, one hundred two thousand, twenty".