20201331332100 has 72 divisors (see below), whose sum is σ = 59407368740608. Its totient is φ = 5298709852800.

The previous prime is 20201331332069. The next prime is 20201331332101. The reversal of 20201331332100 is 123313310202.

It is not an unprimeable number, because it can be changed into a prime (20201331332101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 551930644 + ... + 551967243.

Almost surely, 2^{20201331332100} is an apocalyptic number.

20201331332100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201331332100 is an abundant number, since it is smaller than the sum of its proper divisors (39206037408508).

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

20201331332100 is a wasteful number, since it uses less digits than its factorization.

20201331332100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103897965 (or 1103897958 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20201331332100 its reverse (123313310202), we get a palindrome (20324644642302).

The spelling of 20201331332100 in words is "twenty trillion, two hundred one billion, three hundred thirty-one million, three hundred thirty-two thousand, one hundred".