20000031303132 has 192 divisors, whose sum is σ = 55063933747200. Its totient is φ = 6256038297600.

The previous prime is 20000031303103. The next prime is 20000031303151. The reversal of 20000031303132 is 23130313000002.

20000031303132 is a `hidden beast` number, since 200 + 0 + 0 + 0 + 31 + 303 + 132 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1302162469 + ... + 1302177827.

It is an arithmetic number, because the mean of its divisors is an integer number (286791321600).

Almost surely, 2^{20000031303132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000031303132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27531966873600).

20000031303132 is an abundant number, since it is smaller than the sum of its proper divisors (35063902444068).

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

20000031303132 is a wasteful number, since it uses less digits than its factorization.

20000031303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17433 (or 17425 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20000031303132 its reverse (23130313000002), we get a palindrome (43130344303134).

The spelling of 20000031303132 in words is "twenty trillion, thirty-one million, three hundred three thousand, one hundred thirty-two".