20122020101020 has 48 divisors (see below), whose sum is σ = 42415312474080. Its totient is φ = 8018546909184.

The previous prime is 20122020101009. The next prime is 20122020101023. The reversal of 20122020101020 is 2010102022102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122020101023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7300012 + ... + 9671308.

It is an arithmetic number, because the mean of its divisors is an integer number (883652343210).

Almost surely, 2^{20122020101020} is an apocalyptic number.

20122020101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122020101020 is an abundant number, since it is smaller than the sum of its proper divisors (22293292373060).

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

20122020101020 is a wasteful number, since it uses less digits than its factorization.

20122020101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372902 (or 2372900 counting only the distinct ones).

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

Adding to 20122020101020 its reverse (2010102022102), we get a palindrome (22132122123122).

The spelling of 20122020101020 in words is "twenty trillion, one hundred twenty-two billion, twenty million, one hundred one thousand, twenty".