20012212101020 has 24 divisors (see below), whose sum is σ = 42243394878384. Its totient is φ = 7963408751616.

The previous prime is 20012212101019. The next prime is 20012212101097. The reversal of 20012212101020 is 2010121221002.

It is a super-2 number, since 2×20012212101020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012212100986 and 20012212101004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2592251594 + ... + 2592259313.

It is an arithmetic number, because the mean of its divisors is an integer number (1760141453266).

Almost surely, 2^{20012212101020} is an apocalyptic number.

20012212101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012212101020 is an abundant number, since it is smaller than the sum of its proper divisors (22231182777364).

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

20012212101020 is a wasteful number, since it uses less digits than its factorization.

20012212101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184511109 (or 5184511107 counting only the distinct ones).

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

Adding to 20012212101020 its reverse (2010121221002), we get a palindrome (22022333322022).

The spelling of 20012212101020 in words is "twenty trillion, twelve billion, two hundred twelve million, one hundred one thousand, twenty".