206029880 has 32 divisors (see below), whose sum is σ = 529791840. Its totient is φ = 70638720.

The previous prime is 206029861. The next prime is 206029897. The reversal of 206029880 is 88920602.

206029880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206029880² = 84896622905628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 206029880.

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, 367631 + ... + 368190.

It is an arithmetic number, because the mean of its divisors is an integer number (16555995).

Almost surely, 2^206029880 is an apocalyptic number.

206029880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206029880 is an abundant number, since it is smaller than the sum of its proper divisors (323761960).

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

206029880 is a wasteful number, since it uses less digits than its factorization.

206029880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735839 (or 735835 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 206029880 is about 14353.7409757875. The cubic root of 206029880 is about 590.6226119180.

The spelling of 206029880 in words is "two hundred six million, twenty-nine thousand, eight hundred eighty".