693863220 has 48 divisors (see below), whose sum is σ = 1995331968. Its totient is φ = 180028800.

The previous prime is 693863207. The next prime is 693863239. The reversal of 693863220 is 22368396.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154056 + ... + 158495.

It is an arithmetic number, because the mean of its divisors is an integer number (41569416).

Almost surely, 2^693863220 is an apocalyptic number.

693863220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

693863220 is an abundant number, since it is smaller than the sum of its proper divisors (1301468748).

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

693863220 is a wasteful number, since it uses less digits than its factorization.

693863220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312600 (or 312598 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 693863220 is about 26341.2835678142. The cubic root of 693863220 is about 885.3016814396.

The spelling of 693863220 in words is "six hundred ninety-three million, eight hundred sixty-three thousand, two hundred twenty".