206142872 has 32 divisors (see below), whose sum is σ = 417372480. Its totient is φ = 94886400.

The previous prime is 206142869. The next prime is 206142889. The reversal of 206142872 is 278241602.

206142872 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 39233 + ... + 44175.

It is an arithmetic number, because the mean of its divisors is an integer number (13042890).

Almost surely, 2^206142872 is an apocalyptic number.

It is an amenable number.

206142872 is an abundant number, since it is smaller than the sum of its proper divisors (211229608).

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

206142872 is a wasteful number, since it uses less digits than its factorization.

206142872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363 (or 5359 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 206142872 is about 14357.6764136820. The cubic root of 206142872 is about 590.7305629816.

The spelling of 206142872 in words is "two hundred six million, one hundred forty-two thousand, eight hundred seventy-two".