20303120212200 has 288 divisors, whose sum is σ = 78696851650560. Its totient is φ = 4594765248000.

The previous prime is 20303120212187. The next prime is 20303120212231. The reversal of 20303120212200 is 221202130302.

20303120212200 is a `hidden beast` number, since 2 + 0 + 303 + 120 + 21 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6704424 + ... + 9249623.

It is an arithmetic number, because the mean of its divisors is an integer number (273252957120).

Almost surely, 2^{20303120212200} is an apocalyptic number.

20303120212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303120212200 is an abundant number, since it is smaller than the sum of its proper divisors (58393731438360).

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

20303120212200 is a wasteful number, since it uses less digits than its factorization.

20303120212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15954177 (or 15954165 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20303120212200 its reverse (221202130302), we get a palindrome (20524322342502).

The spelling of 20303120212200 in words is "twenty trillion, three hundred three billion, one hundred twenty million, two hundred twelve thousand, two hundred".