220434234025 has 12 divisors (see below), whose sum is σ = 273345559452. Its totient is φ = 176342800640.

The previous prime is 220434234019. The next prime is 220434234043. The reversal of 220434234025 is 520432434022.

It can be written as a sum of positive squares in 6 ways, for example, as 9221376784 + 211212857241 = 96028^2 + 459579^2 .

It is not a de Polignac number, because 220434234025 - 2²⁵ = 220400679593 is a prime.

It is a super-4 number, since 4×220434234025⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1131189 + ... + 1311661.

It is an arithmetic number, because the mean of its divisors is an integer number (22778796621).

Almost surely, 2^220434234025 is an apocalyptic number.

220434234025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220434234025 is a deficient number, since it is larger than the sum of its proper divisors (52911325427).

220434234025 is a wasteful number, since it uses less digits than its factorization.

220434234025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229340 (or 229335 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 220434234025 its reverse (520432434022), we get a palindrome (740866668047).

The spelling of 220434234025 in words is "two hundred twenty billion, four hundred thirty-four million, two hundred thirty-four thousand, twenty-five".