20014388 has 6 divisors (see below), whose sum is σ = 35025186. Its totient is φ = 10007192.

The previous prime is 20014381. The next prime is 20014427. The reversal of 20014388 is 88341002.

It can be written as a sum of positive squares in only one way, i.e., 19731364 + 283024 = 4442^2 + 532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501795 + ... + 2501802.

It is an arithmetic number, because the mean of its divisors is an integer number (5837531).

Almost surely, 2^20014388 is an apocalyptic number.

It is an amenable number.

20014388 is a deficient number, since it is larger than the sum of its proper divisors (15010798).

20014388 is a wasteful number, since it uses less digits than its factorization.

20014388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003601 (or 5003599 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 20014388 is about 4473.7442930950. The cubic root of 20014388 is about 271.5068377912.

It can be divided in two parts, 20014 and 388, that added together give a palindrome (20402).

The spelling of 20014388 in words is "twenty million, fourteen thousand, three hundred eighty-eight".