140230020 has 96 divisors (see below), whose sum is σ = 456422400. Its totient is φ = 31503744.

The previous prime is 140230001. The next prime is 140230039. The reversal of 140230020 is 20032041.

140230020 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140230001) and next prime (140230039).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 140229978 and 140230005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21951 + ... + 27609.

It is an arithmetic number, because the mean of its divisors is an integer number (4754400).

Almost surely, 2^140230020 is an apocalyptic number.

140230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228211200).

140230020 is an abundant number, since it is smaller than the sum of its proper divisors (316192380).

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

140230020 is a wasteful number, since it uses less digits than its factorization.

140230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737 (or 5735 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 140230020 is about 11841.8756960205. The cubic root of 140230020 is about 519.5336301777.

Adding to 140230020 its reverse (20032041), we get a palindrome (160262061).

The spelling of 140230020 in words is "one hundred forty million, two hundred thirty thousand, twenty".