220505300425 has 48 divisors (see below), whose sum is σ = 302313686400. Its totient is φ = 158695511040.

The previous prime is 220505300401. The next prime is 220505300437. The reversal of 220505300425 is 524003505022.

It is not a de Polignac number, because 220505300425 - 2²¹ = 220503203273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220505300393 and 220505300402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15134194 + ... + 15148756.

It is an arithmetic number, because the mean of its divisors is an integer number (6298201800).

Almost surely, 2^220505300425 is an apocalyptic number.

220505300425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220505300425 is a deficient number, since it is larger than the sum of its proper divisors (81808385975).

220505300425 is a wasteful number, since it uses less digits than its factorization.

220505300425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162 (or 16157 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 220505300425 its reverse (524003505022), we get a palindrome (744508805447).

The spelling of 220505300425 in words is "two hundred twenty billion, five hundred five million, three hundred thousand, four hundred twenty-five".