140143322020 has 24 divisors (see below), whose sum is σ = 316939513464. Its totient is φ = 51745226496.

The previous prime is 140143322003. The next prime is 140143322027. The reversal of 140143322020 is 20223341041.

It can be written as a sum of positive squares in 4 ways, for example, as 3781512036 + 136361809984 = 61494^2 + 369272^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140143321982 and 140143322000.

It is not an unprimeable number, because it can be changed into a prime (140143322027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269506129 + ... + 269506648.

It is an arithmetic number, because the mean of its divisors is an integer number (13205813061).

Almost surely, 2^140143322020 is an apocalyptic number.

140143322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140143322020 is an abundant number, since it is smaller than the sum of its proper divisors (176796191444).

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

140143322020 is a wasteful number, since it uses less digits than its factorization.

140143322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539012799 (or 539012797 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 140143322020 its reverse (20223341041), we get a palindrome (160366663061).

The spelling of 140143322020 in words is "one hundred forty billion, one hundred forty-three million, three hundred twenty-two thousand, twenty".