10011420 has 36 divisors (see below), whose sum is σ = 30368520. Its totient is φ = 2669664.

The previous prime is 10011403. The next prime is 10011431. The reversal of 10011420 is 2411001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27630 + ... + 27989.

It is an arithmetic number, because the mean of its divisors is an integer number (843570).

Almost surely, 2^10011420 is an apocalyptic number.

10011420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011420 is an abundant number, since it is smaller than the sum of its proper divisors (20357100).

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

10011420 is a wasteful number, since it uses less digits than its factorization.

10011420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55634 (or 55629 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10011420 is about 3164.0828054904. The cubic root of 10011420 is about 215.5254499509.

Adding to 10011420 its reverse (2411001), we get a palindrome (12422421).

The spelling of 10011420 in words is "ten million, eleven thousand, four hundred twenty".