201954568624 has 80 divisors (see below), whose sum is σ = 412218187776. Its totient is φ = 95727340800.

The previous prime is 201954568603. The next prime is 201954568633. The reversal of 201954568624 is 426865459102.

201954568624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5510649 + ... + 5547175.

Almost surely, 2^201954568624 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 201954568624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206109093888).

201954568624 is an abundant number, since it is smaller than the sum of its proper divisors (210263619152).

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

201954568624 is a wasteful number, since it uses less digits than its factorization.

201954568624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36794 (or 36788 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 201954568624 in words is "two hundred one billion, nine hundred fifty-four million, five hundred sixty-eight thousand, six hundred twenty-four".