10820481 has 32 divisors (see below), whose sum is σ = 17756160. Its totient is φ = 5723136.

The previous prime is 10820473. The next prime is 10820489. The reversal of 10820481 is 18402801.

10820481 = 54² + 55² + ... + 319².

It is an interprime number because it is at equal distance from previous prime (10820473) and next prime (10820489).

It is not a de Polignac number, because 10820481 - 2³ = 10820473 is a prime.

It is a super-2 number, since 2×10820481² = 234165618142722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10820489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18465 + ... + 19041.

It is an arithmetic number, because the mean of its divisors is an integer number (554880).

Almost surely, 2^10820481 is an apocalyptic number.

It is an amenable number.

10820481 is a deficient number, since it is larger than the sum of its proper divisors (6935679).

10820481 is a wasteful number, since it uses less digits than its factorization.

10820481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 10820481 is about 3289.4499540197. The cubic root of 10820481 is about 221.1815288137.

The spelling of 10820481 in words is "ten million, eight hundred twenty thousand, four hundred eighty-one".