201320430154004 has 96 divisors (see below), whose sum is σ = 417404309704704. Its totient is φ = 83172272641920.

The previous prime is 201320430153943. The next prime is 201320430154061. The reversal of 201320430154004 is 400451034023102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635649974 + ... + 635966610.

It is an arithmetic number, because the mean of its divisors is an integer number (4347961559424).

Almost surely, 2^{201320430154004} 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 201320430154004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208702154852352).

201320430154004 is an abundant number, since it is smaller than the sum of its proper divisors (216083879550700).

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

201320430154004 is a wasteful number, since it uses less digits than its factorization.

201320430154004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323973 (or 323971 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 201320430154004 its reverse (400451034023102), we get a palindrome (601771464177106).

The spelling of 201320430154004 in words is "two hundred one trillion, three hundred twenty billion, four hundred thirty million, one hundred fifty-four thousand, four".