20122010020 has 24 divisors (see below), whose sum is σ = 48292824384. Its totient is φ = 6898974816.

The previous prime is 20122010011. The next prime is 20122010057. The reversal of 20122010020 is 2001022102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20122009979 and 20122010006.

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 7 ways as a sum of consecutive naturals, for example, 71864182 + ... + 71864461.

It is an arithmetic number, because the mean of its divisors is an integer number (2012201016).

Almost surely, 2^20122010020 is an apocalyptic number.

20122010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122010020 is an abundant number, since it is smaller than the sum of its proper divisors (28170814364).

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

20122010020 is a wasteful number, since it uses less digits than its factorization.

20122010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143728659 (or 143728657 counting only the distinct ones).

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

Adding to 20122010020 its reverse (2001022102), we get a palindrome (22123032122).

The spelling of 20122010020 in words is "twenty billion, one hundred twenty-two million, ten thousand, twenty".