206937973228 has 24 divisors (see below), whose sum is σ = 413919380000. Its totient is φ = 88678395648.

The previous prime is 206937973213. The next prime is 206937973241. The reversal of 206937973228 is 822379739602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112803 + ... + 653146.

Almost surely, 2^206937973228 is an apocalyptic number.

206937973228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

206937973228 is an abundant number, since it is smaller than the sum of its proper divisors (206981406772).

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

206937973228 is a wasteful number, since it uses less digits than its factorization.

206937973228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775609 (or 775607 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 206937973228 in words is "two hundred six billion, nine hundred thirty-seven million, nine hundred seventy-three thousand, two hundred twenty-eight".