20122101012020 has 48 divisors (see below), whose sum is σ = 48294204728448. Its totient is φ = 6898840018560.

The previous prime is 20122101011993. The next prime is 20122101012037. The reversal of 20122101012020 is 2021010122102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20122101011986 and 20122101012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4179959 + ... + 7597121.

It is an arithmetic number, because the mean of its divisors is an integer number (1006129265176).

Almost surely, 2^{20122101012020} is an apocalyptic number.

20122101012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122101012020 is an abundant number, since it is smaller than the sum of its proper divisors (28172103716428).

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

20122101012020 is a wasteful number, since it uses less digits than its factorization.

20122101012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459240 (or 3459238 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122101012020 its reverse (2021010122102), we get a palindrome (22143111134122).

The spelling of 20122101012020 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, twelve thousand, twenty".