140023240220 has 12 divisors (see below), whose sum is σ = 294048804504. Its totient is φ = 56009296080.

The previous prime is 140023240183. The next prime is 140023240229. The reversal of 140023240220 is 22042320041.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7001162011 = 140023240220 / (1 + 4 + 0 + 0 + 2 + 3 + 2 + 4 + 0 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 140023240192 and 140023240201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140023240229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3500580986 + ... + 3500581025.

It is an arithmetic number, because the mean of its divisors is an integer number (24504067042).

Almost surely, 2^140023240220 is an apocalyptic number.

140023240220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140023240220 is an abundant number, since it is smaller than the sum of its proper divisors (154025564284).

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

140023240220 is a wasteful number, since it uses less digits than its factorization.

140023240220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001162020 (or 7001162018 counting only the distinct ones).

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

Adding to 140023240220 its reverse (22042320041), we get a palindrome (162065560261).

The spelling of 140023240220 in words is "one hundred forty billion, twenty-three million, two hundred forty thousand, two hundred twenty".