220945735434 has 16 divisors (see below), whose sum is σ = 441997770240. Its totient is φ = 73630861920.

The previous prime is 220945735421. The next prime is 220945735463. The reversal of 220945735434 is 434537549022.

220945735434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220945735434² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4402107 + ... + 4452014.

It is an arithmetic number, because the mean of its divisors is an integer number (27624860640).

Almost surely, 2^220945735434 is an apocalyptic number.

220945735434 is an abundant number, since it is smaller than the sum of its proper divisors (221052034806).

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

220945735434 is a wasteful number, since it uses less digits than its factorization.

220945735434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8858285.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 220945735434 in words is "two hundred twenty billion, nine hundred forty-five million, seven hundred thirty-five thousand, four hundred thirty-four".