20140223240 has 64 divisors (see below), whose sum is σ = 47309270400. Its totient is φ = 7701990912.

The previous prime is 20140223179. The next prime is 20140223291. The reversal of 20140223240 is 4232204102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442164 + ... + 2450396.

It is an arithmetic number, because the mean of its divisors is an integer number (739207350).

Almost surely, 2^20140223240 is an apocalyptic number.

20140223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20140223240 is an abundant number, since it is smaller than the sum of its proper divisors (27169047160).

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

20140223240 is a wasteful number, since it uses less digits than its factorization.

20140223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10926 (or 10922 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20140223240 its reverse (4232204102), we get a palindrome (24372427342).

The spelling of 20140223240 in words is "twenty billion, one hundred forty million, two hundred twenty-three thousand, two hundred forty".