10190420 has 12 divisors (see below), whose sum is σ = 21399924. Its totient is φ = 4076160.

The previous prime is 10190419. The next prime is 10190443. The reversal of 10190420 is 2409101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1214404 + 8976016 = 1102^2 + 2996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254741 + ... + 254780.

It is an arithmetic number, because the mean of its divisors is an integer number (1783327).

Almost surely, 2^10190420 is an apocalyptic number.

10190420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10190420 is an abundant number, since it is smaller than the sum of its proper divisors (11209504).

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

10190420 is a wasteful number, since it uses less digits than its factorization.

10190420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509530 (or 509528 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10190420 is about 3192.2437250310. The cubic root of 10190420 is about 216.8023712653.

Adding to 10190420 its reverse (2409101), we get a palindrome (12599521).

The spelling of 10190420 in words is "ten million, one hundred ninety thousand, four hundred twenty".