20010331130100 has 36 divisors (see below), whose sum is σ = 57896558070624. Its totient is φ = 5336088301280.

The previous prime is 20010331130099. The next prime is 20010331130129. The reversal of 20010331130100 is 103113301002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20010331130100.

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, 33350551584 + ... + 33350552183.

It is an arithmetic number, because the mean of its divisors is an integer number (1608237724184).

Almost surely, 2^{20010331130100} is an apocalyptic number.

20010331130100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010331130100 is an abundant number, since it is smaller than the sum of its proper divisors (37886226940524).

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

20010331130100 is a wasteful number, since it uses less digits than its factorization.

20010331130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66701103784 (or 66701103777 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20010331130100 its reverse (103113301002), we get a palindrome (20113444431102).

The spelling of 20010331130100 in words is "twenty trillion, ten billion, three hundred thirty-one million, one hundred thirty thousand, one hundred".