10147820 has 24 divisors (see below), whose sum is σ = 21631344. Its totient is φ = 3998016.

The previous prime is 10147783. The next prime is 10147831. The reversal of 10147820 is 2874101.

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, 2447 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (901306).

Almost surely, 2^10147820 is an apocalyptic number.

10147820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10147820 is an abundant number, since it is smaller than the sum of its proper divisors (11483524).

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

10147820 is a wasteful number, since it uses less digits than its factorization.

10147820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7649 (or 7647 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10147820 is about 3185.5643142150. The cubic root of 10147820 is about 216.4998426573.

The spelling of 10147820 in words is "ten million, one hundred forty-seven thousand, eight hundred twenty".