206061980 has 12 divisors (see below), whose sum is σ = 432730200. Its totient is φ = 82424784.

The previous prime is 206061979. The next prime is 206061983. The reversal of 206061980 is 89160602.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206061983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5151530 + ... + 5151569.

It is an arithmetic number, because the mean of its divisors is an integer number (36060850).

Almost surely, 2^206061980 is an apocalyptic number.

206061980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206061980 is an abundant number, since it is smaller than the sum of its proper divisors (226668220).

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

206061980 is a wasteful number, since it uses less digits than its factorization.

206061980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10303108 (or 10303106 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 206061980 is about 14354.8591076332. The cubic root of 206061980 is about 590.6532838466.

The spelling of 206061980 in words is "two hundred six million, sixty-one thousand, nine hundred eighty".