20001000220212 has 48 divisors (see below), whose sum is σ = 50921847470592. Its totient is φ = 6059693616480.

The previous prime is 20001000220207. The next prime is 20001000220213. The reversal of 20001000220212 is 21202200010002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001000220213) 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, 14533488 + ... + 15850055.

It is an arithmetic number, because the mean of its divisors is an integer number (1060871822304).

Almost surely, 2^{20001000220212} is an apocalyptic number.

20001000220212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20001000220212 is an abundant number, since it is smaller than the sum of its proper divisors (30920847250380).

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

20001000220212 is a wasteful number, since it uses less digits than its factorization.

20001000220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30388548 (or 30388546 counting only the distinct ones).

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

Adding to 20001000220212 its reverse (21202200010002), we get a palindrome (41203200230214).

The spelling of 20001000220212 in words is "twenty trillion, one billion, two hundred twenty thousand, two hundred twelve".