20000012210220 has 96 divisors (see below), whose sum is σ = 64901448170496. Its totient is φ = 4507044998400.

The previous prime is 20000012210203. The next prime is 20000012210221. The reversal of 20000012210220 is 2201221000002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20000012210196 and 20000012210205.

It is not an unprimeable number, because it can be changed into a prime (20000012210221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335315791 + ... + 335375430.

It is an arithmetic number, because the mean of its divisors is an integer number (676056751776).

Almost surely, 2^{20000012210220} is an apocalyptic number.

20000012210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000012210220 is an abundant number, since it is smaller than the sum of its proper divisors (44901435960276).

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

20000012210220 is a wasteful number, since it uses less digits than its factorization.

20000012210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670691311 (or 670691309 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000012210220 its reverse (2201221000002), we get a palindrome (22201233210222).

The spelling of 20000012210220 in words is "twenty trillion, twelve million, two hundred ten thousand, two hundred twenty".