203271704064 has 960 divisors, whose sum is σ = 737255312640. Its totient is φ = 54510796800.

The previous prime is 203271704011. The next prime is 203271704087. The reversal of 203271704064 is 460407172302.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1899735499 + ... + 1899735605.

It is an arithmetic number, because the mean of its divisors is an integer number (767974284).

Almost surely, 2^203271704064 is an apocalyptic number.

203271704064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203271704064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368627656320).

203271704064 is an abundant number, since it is smaller than the sum of its proper divisors (533983608576).

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

203271704064 is a wasteful number, since it uses less digits than its factorization.

203271704064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

Adding to 203271704064 its reverse (460407172302), we get a palindrome (663678876366).

The spelling of 203271704064 in words is "two hundred three billion, two hundred seventy-one million, seven hundred four thousand, sixty-four".