220505725403 has 2 divisors, whose sum is σ = 220505725404. Its totient is φ = 220505725402.

The previous prime is 220505725393. The next prime is 220505725417. The reversal of 220505725403 is 304527505022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220505725403 - 2⁶ = 220505725339 is a prime.

It is not a weakly prime, because it can be changed into another prime (220505725103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110252862701 + 110252862702.

It is an arithmetic number, because the mean of its divisors is an integer number (110252862702).

Almost surely, 2^220505725403 is an apocalyptic number.

220505725403 is a deficient number, since it is larger than the sum of its proper divisors (1).

220505725403 is an equidigital number, since it uses as much as digits as its factorization.

220505725403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 35.

The spelling of 220505725403 in words is "two hundred twenty billion, five hundred five million, seven hundred twenty-five thousand, four hundred three".