10265843820 has 48 divisors (see below), whose sum is σ = 28963807488. Its totient is φ = 2716658880.

The previous prime is 10265843807. The next prime is 10265843821. The reversal of 10265843820 is 2834856201.

It is not an unprimeable number, because it can be changed into a prime (10265843821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645184 + ... + 660903.

It is an arithmetic number, because the mean of its divisors is an integer number (603412656).

Almost surely, 2^10265843820 is an apocalyptic number.

10265843820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10265843820 is an abundant number, since it is smaller than the sum of its proper divisors (18697963668).

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

10265843820 is a wasteful number, since it uses less digits than its factorization.

10265843820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306230 (or 1306228 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 10265843820 in words is "ten billion, two hundred sixty-five million, eight hundred forty-three thousand, eight hundred twenty".