20100011003200 has 84 divisors (see below), whose sum is σ = 49465040597280. Its totient is φ = 8038955722240.

The previous prime is 20100011003159. The next prime is 20100011003239. The reversal of 20100011003200 is 230011000102.

It is a super-2 number, since 2×20100011003200² (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, 11509371 + ... + 13140229.

It is an arithmetic number, because the mean of its divisors is an integer number (588869530920).

Almost surely, 2^{20100011003200} is an apocalyptic number.

20100011003200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100011003200 is an abundant number, since it is smaller than the sum of its proper divisors (29365029594080).

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

20100011003200 is a wasteful number, since it uses less digits than its factorization.

20100011003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638584 (or 1638569 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20100011003200 its reverse (230011000102), we get a palindrome (20330022003302).

The spelling of 20100011003200 in words is "twenty trillion, one hundred billion, eleven million, three thousand, two hundred".