201432253500 has 72 divisors (see below), whose sum is σ = 635451629904. Its totient is φ = 53715266400.

The previous prime is 201432253481. The next prime is 201432253501. The reversal of 201432253500 is 5352234102.

It is a happy number.

201432253500 is a `hidden beast` number, since 201 + 432 + 25 + 3 + 5 + 0 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201432253501) 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, 22376862 + ... + 22385861.

It is an arithmetic number, because the mean of its divisors is an integer number (8825717082).

Almost surely, 2^201432253500 is an apocalyptic number.

201432253500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201432253500 is an abundant number, since it is smaller than the sum of its proper divisors (434019376404).

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

201432253500 is a wasteful number, since it uses less digits than its factorization.

201432253500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44762748 (or 44762733 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 201432253500 its reverse (5352234102), we get a palindrome (206784487602).

The spelling of 201432253500 in words is "two hundred one billion, four hundred thirty-two million, two hundred fifty-three thousand, five hundred".