20140704 has 48 divisors (see below), whose sum is σ = 58746240. Its totient is φ = 6713280.

The previous prime is 20140667. The next prime is 20140739. The reversal of 20140704 is 40704102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10792 + ... + 12519.

It is an arithmetic number, because the mean of its divisors is an integer number (1223880).

Almost surely, 2^20140704 is an apocalyptic number.

20140704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20140704 is an abundant number, since it is smaller than the sum of its proper divisors (38605536).

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

20140704 is a wasteful number, since it uses less digits than its factorization.

20140704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23330 (or 23316 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 20140704 is about 4487.8395693251. The cubic root of 20140704 is about 272.0768237439.

Adding to 20140704 its reverse (40704102), we get a palindrome (60844806).

The spelling of 20140704 in words is "twenty million, one hundred forty thousand, seven hundred four".