203820725472 has 384 divisors, whose sum is σ = 698145251328. Its totient is φ = 50612428800.

The previous prime is 203820725443. The next prime is 203820725489. The reversal of 203820725472 is 274527028302.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10010022 + ... + 10030362.

It is an arithmetic number, because the mean of its divisors is an integer number (1818086592).

Almost surely, 2^203820725472 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 203820725472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349072625664).

203820725472 is an abundant number, since it is smaller than the sum of its proper divisors (494324525856).

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

203820725472 is a wasteful number, since it uses less digits than its factorization.

203820725472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20442 (or 20434 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 203820725472 in words is "two hundred three billion, eight hundred twenty million, seven hundred twenty-five thousand, four hundred seventy-two".