245413544220 has 72 divisors (see below), whose sum is σ = 801684252096. Its totient is φ = 60409487232.

The previous prime is 245413544209. The next prime is 245413544221. The reversal of 245413544220 is 22445314542.

245413544220 is a `hidden beast` number, since 2 + 4 + 541 + 3 + 54 + 42 + 20 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245413544221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52436452 + ... + 52441131.

Almost surely, 2^245413544220 is an apocalyptic number.

245413544220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245413544220 is an abundant number, since it is smaller than the sum of its proper divisors (556270707876).

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

245413544220 is a wasteful number, since it uses less digits than its factorization.

245413544220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104877611 (or 104877606 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 245413544220 its reverse (22445314542), we get a palindrome (267858858762).

The spelling of 245413544220 in words is "two hundred forty-five billion, four hundred thirteen million, five hundred forty-four thousand, two hundred twenty".