140203220 has 24 divisors (see below), whose sum is σ = 301275744. Its totient is φ = 54776736.

The previous prime is 140203183. The next prime is 140203229. The reversal of 140203220 is 22302041.

It is a junction number, because it is equal to n+sod(n) for n = 140203195 and 140203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140203229) 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 7 ways as a sum of consecutive naturals, for example, 80654 + ... + 82373.

It is an arithmetic number, because the mean of its divisors is an integer number (12553156).

Almost surely, 2^140203220 is an apocalyptic number.

140203220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140203220 is an abundant number, since it is smaller than the sum of its proper divisors (161072524).

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

140203220 is a wasteful number, since it uses less digits than its factorization.

140203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163079 (or 163077 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 140203220 is about 11840.7440644581. The cubic root of 140203220 is about 519.5005312536.

Adding to 140203220 its reverse (22302041), we get a palindrome (162505261).

The spelling of 140203220 in words is "one hundred forty million, two hundred three thousand, two hundred twenty".