11438020 has 24 divisors (see below), whose sum is σ = 26203968. Its totient is φ = 4159200.

The previous prime is 11437999. The next prime is 11438027. The reversal of 11438020 is 2083411.

11438020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11438027) 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, 25776 + ... + 26215.

It is an arithmetic number, because the mean of its divisors is an integer number (1091832).

Almost surely, 2^11438020 is an apocalyptic number.

11438020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11438020 is an abundant number, since it is smaller than the sum of its proper divisors (14765948).

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

11438020 is a wasteful number, since it uses less digits than its factorization.

11438020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52011 (or 52009 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11438020 is about 3382.0141927556. The cubic root of 11438020 is about 225.3116340187.

The spelling of 11438020 in words is "eleven million, four hundred thirty-eight thousand, twenty".