693906206920 has 64 divisors (see below), whose sum is σ = 1564829280000. Its totient is φ = 276933666048.

The previous prime is 693906206887. The next prime is 693906206923. The reversal of 693906206920 is 29602609396.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (693906206923) 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, 45013134 + ... + 45028546.

It is an arithmetic number, because the mean of its divisors is an integer number (24450457500).

Almost surely, 2^693906206920 is an apocalyptic number.

It is an amenable number.

693906206920 is an abundant number, since it is smaller than the sum of its proper divisors (870923073080).

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

693906206920 is a wasteful number, since it uses less digits than its factorization.

693906206920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17902 (or 17898 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 52.

The spelling of 693906206920 in words is "six hundred ninety-three billion, nine hundred six million, two hundred six thousand, nine hundred twenty".