263460206220 has 48 divisors (see below), whose sum is σ = 754844133120. Its totient is φ = 68622192576.

The previous prime is 263460206209. The next prime is 263460206227. The reversal of 263460206220 is 22602064362.

It is a super-2 number, since 2×263460206220² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (263460206227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51055600 + ... + 51060759.

It is an arithmetic number, because the mean of its divisors is an integer number (15725919440).

Almost surely, 2^263460206220 is an apocalyptic number.

263460206220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263460206220 is an abundant number, since it is smaller than the sum of its proper divisors (491383926900).

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

263460206220 is a wasteful number, since it uses less digits than its factorization.

263460206220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102116414 (or 102116412 counting only the distinct ones).

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

The spelling of 263460206220 in words is "two hundred sixty-three billion, four hundred sixty million, two hundred six thousand, two hundred twenty".