694061220 has 48 divisors (see below), whose sum is σ = 1984727808. Its totient is φ = 181144320.

The previous prime is 694061213. The next prime is 694061239. The reversal of 694061220 is 22160496.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120241 + ... + 125880.

It is an arithmetic number, because the mean of its divisors is an integer number (41348496).

Almost surely, 2^694061220 is an apocalyptic number.

694061220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

694061220 is an abundant number, since it is smaller than the sum of its proper divisors (1290666588).

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

694061220 is a wasteful number, since it uses less digits than its factorization.

694061220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246180 (or 246178 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 694061220 is about 26345.0416587258. The cubic root of 694061220 is about 885.3858829830.

The spelling of 694061220 in words is "six hundred ninety-four million, sixty-one thousand, two hundred twenty".