20131633062 has 48 divisors (see below), whose sum is σ = 45639360000. Its totient is φ = 6401243376.

The previous prime is 20131633061. The next prime is 20131633069. The reversal of 20131633062 is 26033613102.

It is a happy number.

20131633062 is a `hidden beast` number, since 20 + 1 + 3 + 1 + 633 + 0 + 6 + 2 = 666.

It is a super-2 number, since 2×20131633062² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131633061) 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, 85689 + ... + 218187.

It is an arithmetic number, because the mean of its divisors is an integer number (950820000).

Almost surely, 2^20131633062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20131633062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22819680000).

20131633062 is an abundant number, since it is smaller than the sum of its proper divisors (25507726938).

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

20131633062 is a wasteful number, since it uses less digits than its factorization.

20131633062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132897 (or 132894 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The spelling of 20131633062 in words is "twenty billion, one hundred thirty-one million, six hundred thirty-three thousand, sixty-two".