20001212222300 has 36 divisors (see below), whose sum is σ = 43417007670120. Its totient is φ = 7997834723520.

The previous prime is 20001212222291. The next prime is 20001212222333. The reversal of 20001212222300 is 322221210002.

It is a super-2 number, since 2×20001212222300² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32823659 + ... + 33427458.

Almost surely, 2^{20001212222300} is an apocalyptic number.

20001212222300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001212222300 is an abundant number, since it is smaller than the sum of its proper divisors (23415795447820).

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

20001212222300 is a wasteful number, since it uses less digits than its factorization.

20001212222300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66254150 (or 66254143 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20001212222300 its reverse (322221210002), we get a palindrome (20323433432302).

The spelling of 20001212222300 in words is "twenty trillion, one billion, two hundred twelve million, two hundred twenty-two thousand, three hundred".