140423220221020 has 24 divisors (see below), whose sum is σ = 321696831779568. Its totient is φ = 51062989171200.

The previous prime is 140423220220993. The next prime is 140423220221027. The reversal of 140423220221020 is 20122022324041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140423220221027) 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, 319143682101 + ... + 319143682540.

It is an arithmetic number, because the mean of its divisors is an integer number (13404034657482).

Almost surely, 2^{140423220221020} is an apocalyptic number.

140423220221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140423220221020 is an abundant number, since it is smaller than the sum of its proper divisors (181273611558548).

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

140423220221020 is a wasteful number, since it uses less digits than its factorization.

140423220221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638287364661 (or 638287364659 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 140423220221020 its reverse (20122022324041), we get a palindrome (160545242545061).

The spelling of 140423220221020 in words is "one hundred forty trillion, four hundred twenty-three billion, two hundred twenty million, two hundred twenty-one thousand, twenty".