245551203320000 has 140 divisors (see below), whose sum is σ = 616594620686880. Its totient is φ = 96977182848000.

The previous prime is 245551203319967. The next prime is 245551203320023. The reversal of 245551203320000 is 23302155542.

245551203320000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35693039 + ... + 42013038.

Almost surely, 2^{245551203320000} is an apocalyptic number.

245551203320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245551203320000 is an abundant number, since it is smaller than the sum of its proper divisors (371043417366880).

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

245551203320000 is an frugal number, since it uses more digits than its factorization.

245551203320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77706188 (or 77706163 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 245551203320000 its reverse (23302155542), we get a palindrome (245574505475542).

The spelling of 245551203320000 in words is "two hundred forty-five trillion, five hundred fifty-one billion, two hundred three million, three hundred twenty thousand".