206220263460 has 96 divisors (see below), whose sum is σ = 598504273920. Its totient is φ = 53018663808.

The previous prime is 206220263449. The next prime is 206220263467. The reversal of 206220263460 is 64362022602.

It is a super-2 number, since 2×206220263460² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206220263467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356790 + ... + 734669.

It is an arithmetic number, because the mean of its divisors is an integer number (6234419520).

Almost surely, 2^206220263460 is an apocalyptic number.

206220263460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206220263460 is an abundant number, since it is smaller than the sum of its proper divisors (392284010460).

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

206220263460 is a wasteful number, since it uses less digits than its factorization.

206220263460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091585 (or 1091583 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 206220263460 in words is "two hundred six billion, two hundred twenty million, two hundred sixty-three thousand, four hundred sixty".