220340694 has 32 divisors (see below), whose sum is σ = 504080640. Its totient is φ = 62898912.

The previous prime is 220340693. The next prime is 220340719. The reversal of 220340694 is 496043022.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220340693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81537 + ... + 84195.

It is an arithmetic number, because the mean of its divisors is an integer number (15752520).

Almost surely, 2^220340694 is an apocalyptic number.

220340694 is an abundant number, since it is smaller than the sum of its proper divisors (283739946).

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

220340694 is a wasteful number, since it uses less digits than its factorization.

220340694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 220340694 is about 14843.8773236645. The cubic root of 220340694 is about 603.9925349574.

The spelling of 220340694 in words is "two hundred twenty million, three hundred forty thousand, six hundred ninety-four".