201994634232 has 96 divisors (see below), whose sum is σ = 554999964480. Its totient is φ = 66356858880.

The previous prime is 201994634227. The next prime is 201994634297. The reversal of 201994634232 is 232436499102.

201994634232 is a `hidden beast` number, since 2 + 0 + 1 + 9 + 9 + 4 + 634 + 2 + 3 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6960232 + ... + 6989192.

It is an arithmetic number, because the mean of its divisors is an integer number (5781249630).

Almost surely, 2^201994634232 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 201994634232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277499982240).

201994634232 is an abundant number, since it is smaller than the sum of its proper divisors (353005330248).

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

201994634232 is a wasteful number, since it uses less digits than its factorization.

201994634232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30373 (or 30366 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 201994634232 in words is "two hundred one billion, nine hundred ninety-four million, six hundred thirty-four thousand, two hundred thirty-two".