20001011102200 has 48 divisors (see below), whose sum is σ = 46514347031880. Its totient is φ = 7998340575360.

The previous prime is 20001011102173. The next prime is 20001011102227. The reversal of 20001011102200 is 220111010002.

It is an interprime number because it is at equal distance from previous prime (20001011102173) and next prime (20001011102227).

It is a super-2 number, since 2×20001011102200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 12121822 + ... + 13672621.

Almost surely, 2^{20001011102200} is an apocalyptic number.

20001011102200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001011102200 is an abundant number, since it is smaller than the sum of its proper divisors (26513335929680).

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

20001011102200 is a wasteful number, since it uses less digits than its factorization.

20001011102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25798336 (or 25798327 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001011102200 its reverse (220111010002), we get a palindrome (20221122112202).

The spelling of 20001011102200 in words is "twenty trillion, one billion, eleven million, one hundred two thousand, two hundred".