201245045200 has 60 divisors (see below), whose sum is σ = 488278360908. Its totient is φ = 79700992000.

The previous prime is 201245045153. The next prime is 201245045201. The reversal of 201245045200 is 2540542102.

It can be written as a sum of positive squares in 6 ways, for example, as 11142069136 + 190102976064 = 105556^2 + 436008^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201245045201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2450257 + ... + 2531056.

Almost surely, 2^201245045200 is an apocalyptic number.

201245045200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201245045200 is an abundant number, since it is smaller than the sum of its proper divisors (287033315708).

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

201245045200 is a wasteful number, since it uses less digits than its factorization.

201245045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981432 (or 4981421 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 201245045200 its reverse (2540542102), we get a palindrome (203785587302).

The spelling of 201245045200 in words is "two hundred one billion, two hundred forty-five million, forty-five thousand, two hundred".