20122011020 has 12 divisors (see below), whose sum is σ = 42256223184. Its totient is φ = 8048804400.

The previous prime is 20122011017. The next prime is 20122011043. The reversal of 20122011020 is 2011022102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122010992 and 20122011010.

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, 503050256 + ... + 503050295.

It is an arithmetic number, because the mean of its divisors is an integer number (3521351932).

Almost surely, 2^20122011020 is an apocalyptic number.

20122011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122011020 is an abundant number, since it is smaller than the sum of its proper divisors (22134212164).

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

20122011020 is a wasteful number, since it uses less digits than its factorization.

20122011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006100560 (or 1006100558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20122011020 its reverse (2011022102), we get a palindrome (22133033122).

The spelling of 20122011020 in words is "twenty billion, one hundred twenty-two million, eleven thousand, twenty".