14978020 has 24 divisors (see below), whose sum is σ = 33304824. Its totient is φ = 5638656.

The previous prime is 14978011. The next prime is 14978027. The reversal of 14978020 is 2087941.

14978020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4596736 + 10381284 = 2144^2 + 3222^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (14978027) 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, 21687 + ... + 22366.

It is an arithmetic number, because the mean of its divisors is an integer number (1387701).

Almost surely, 2^14978020 is an apocalyptic number.

14978020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14978020 is an abundant number, since it is smaller than the sum of its proper divisors (18326804).

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

14978020 is a wasteful number, since it uses less digits than its factorization.

14978020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44079 (or 44077 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 14978020 is about 3870.1447001372. The cubic root of 14978020 is about 246.5006877881.

The spelling of 14978020 in words is "fourteen million, nine hundred seventy-eight thousand, twenty".