140420013443220 has 192 divisors, whose sum is σ = 450785161322496. Its totient is φ = 31993218862080.

The previous prime is 140420013443219. The next prime is 140420013443263. The reversal of 140420013443220 is 22344310024041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176333269 + ... + 177127811.

It is an arithmetic number, because the mean of its divisors is an integer number (2347839381888).

Almost surely, 2^{140420013443220} is an apocalyptic number.

140420013443220 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 140420013443220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225392580661248).

140420013443220 is an abundant number, since it is smaller than the sum of its proper divisors (310365147879276).

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

140420013443220 is a wasteful number, since it uses less digits than its factorization.

140420013443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795910 (or 795908 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 140420013443220 its reverse (22344310024041), we get a palindrome (162764323467261).

The spelling of 140420013443220 in words is "one hundred forty trillion, four hundred twenty billion, thirteen million, four hundred forty-three thousand, two hundred twenty".