10305506252 has 24 divisors (see below), whose sum is σ = 18559015776. Its totient is φ = 5003486208.

The previous prime is 10305506249. The next prime is 10305506279. The reversal of 10305506252 is 25260550301.

It is a happy number.

It is a super-2 number, since 2×10305506252² (a number of 21 digits) contains 22 as substring.

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, 5228 + ... + 143660.

It is an arithmetic number, because the mean of its divisors is an integer number (773292324).

Almost surely, 2^10305506252 is an apocalyptic number.

It is an amenable number.

10305506252 is a deficient number, since it is larger than the sum of its proper divisors (8253509524).

10305506252 is a wasteful number, since it uses less digits than its factorization.

10305506252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138977 (or 138975 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 10305506252 in words is "ten billion, three hundred five million, five hundred six thousand, two hundred fifty-two".