10147920 has 40 divisors (see below), whose sum is σ = 31459296. Its totient is φ = 2706048.

The previous prime is 10147903. The next prime is 10147927. The reversal of 10147920 is 2974101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10147927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20902 + ... + 21381.

Almost surely, 2^10147920 is an apocalyptic number.

10147920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10147920 is an abundant number, since it is smaller than the sum of its proper divisors (21311376).

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

10147920 is a wasteful number, since it uses less digits than its factorization.

10147920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42299 (or 42293 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 10147920 is about 3185.5800099825. The cubic root of 10147920 is about 216.5005538089.

The spelling of 10147920 in words is "ten million, one hundred forty-seven thousand, nine hundred twenty".