245401402222020 has 48 divisors (see below), whose sum is σ = 749589737698368. Its totient is φ = 59491249023360.

The previous prime is 245401402222019. The next prime is 245401402222033. The reversal of 245401402222020 is 20222204104542.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185910152539 + ... + 185910153858.

It is an arithmetic number, because the mean of its divisors is an integer number (15616452868716).

Almost surely, 2^{245401402222020} is an apocalyptic number.

245401402222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245401402222020 is an abundant number, since it is smaller than the sum of its proper divisors (504188335476348).

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

245401402222020 is a wasteful number, since it uses less digits than its factorization.

245401402222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371820306420 (or 371820306418 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 245401402222020 its reverse (20222204104542), we get a palindrome (265623606326562).

The spelling of 245401402222020 in words is "two hundred forty-five trillion, four hundred one billion, four hundred two million, two hundred twenty-two thousand, twenty".