206460042220 has 24 divisors (see below), whose sum is σ = 434572060608. Its totient is φ = 82392403200.

The previous prime is 206460042197. The next prime is 206460042223. The reversal of 206460042220 is 22240064602.

It is not an unprimeable number, because it can be changed into a prime (206460042223) 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, 11967021 + ... + 11984260.

It is an arithmetic number, because the mean of its divisors is an integer number (18107169192).

Almost surely, 2^206460042220 is an apocalyptic number.

206460042220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206460042220 is an abundant number, since it is smaller than the sum of its proper divisors (228112018388).

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

206460042220 is a wasteful number, since it uses less digits than its factorization.

206460042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23951721 (or 23951719 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 206460042220 in words is "two hundred six billion, four hundred sixty million, forty-two thousand, two hundred twenty".