245324420220 has 192 divisors, whose sum is σ = 783282576384. Its totient is φ = 56788807680.

The previous prime is 245324420219. The next prime is 245324420221. The reversal of 245324420220 is 22024423542.

It is an interprime number because it is at equal distance from previous prime (245324420219) and next prime (245324420221).

It is a super-3 number, since 3×245324420220³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245324420221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8988114 + ... + 9015366.

It is an arithmetic number, because the mean of its divisors is an integer number (4079596752).

Almost surely, 2^245324420220 is an apocalyptic number.

245324420220 is a gapful number since it is divisible by the number (20) 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 245324420220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391641288192).

245324420220 is an abundant number, since it is smaller than the sum of its proper divisors (537958156164).

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

245324420220 is a wasteful number, since it uses less digits than its factorization.

245324420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27892 (or 27890 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 245324420220 its reverse (22024423542), we get a palindrome (267348843762).

The spelling of 245324420220 in words is "two hundred forty-five billion, three hundred twenty-four million, four hundred twenty thousand, two hundred twenty".