10420146 has 24 divisors (see below), whose sum is σ = 24629904. Its totient is φ = 3157560.

The previous prime is 10420139. The next prime is 10420153. The reversal of 10420146 is 64102401.

It is an interprime number because it is at equal distance from previous prime (10420139) and next prime (10420153).

It is a super-2 number, since 2×10420146² = 217158885322632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26116 + ... + 26511.

It is an arithmetic number, because the mean of its divisors is an integer number (1026246).

Almost surely, 2^10420146 is an apocalyptic number.

10420146 is an abundant number, since it is smaller than the sum of its proper divisors (14209758).

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

10420146 is a wasteful number, since it uses less digits than its factorization.

10420146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52646 (or 52643 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 10420146 is about 3228.0250928393. The cubic root of 10420146 is about 218.4194292983.

Adding to 10420146 its reverse (64102401), we get a palindrome (74522547).

The spelling of 10420146 in words is "ten million, four hundred twenty thousand, one hundred forty-six".