206122460 has 24 divisors (see below), whose sum is σ = 433569696. Its totient is φ = 82313280.

The previous prime is 206122451. The next prime is 206122463. The reversal of 206122460 is 64221602.

206122460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206122463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4454 + ... + 20786.

It is an arithmetic number, because the mean of its divisors is an integer number (18065404).

Almost surely, 2^206122460 is an apocalyptic number.

206122460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206122460 is an abundant number, since it is smaller than the sum of its proper divisors (227447236).

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

206122460 is a wasteful number, since it uses less digits than its factorization.

206122460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16973 (or 16971 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 206122460 is about 14356.9655568299. The cubic root of 206122460 is about 590.7110645464.

The spelling of 206122460 in words is "two hundred six million, one hundred twenty-two thousand, four hundred sixty".