220434229457 has 12 divisors (see below), whose sum is σ = 238726797660. Its totient is φ = 203450689728.

The previous prime is 220434229427. The next prime is 220434229489. The reversal of 220434229457 is 754922434022.

It can be written as a sum of positive squares in 6 ways, for example, as 67997863696 + 152436365761 = 260764^2 + 390431^2 .

It is not a de Polignac number, because 220434229457 - 2²² = 220430035153 is a prime.

It is a super-4 number, since 4×220434229457⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (220434229417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1248419 + ... + 1414007.

It is an arithmetic number, because the mean of its divisors is an integer number (19893899805).

Almost surely, 2^220434229457 is an apocalyptic number.

It is an amenable number.

220434229457 is a deficient number, since it is larger than the sum of its proper divisors (18292568203).

220434229457 is a wasteful number, since it uses less digits than its factorization.

220434229457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173492 (or 173479 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 220434229457 in words is "two hundred twenty billion, four hundred thirty-four million, two hundred twenty-nine thousand, four hundred fifty-seven".