140223420200420 has 48 divisors (see below), whose sum is σ = 295485178549680. Its totient is φ = 55895859242496.

The previous prime is 140223420200387. The next prime is 140223420200471. The reversal of 140223420200420 is 24002024322041.

It can be written as a sum of positive squares in 8 ways, for example, as 28527733770496 + 111695686429924 = 5341136^2 + 10568618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140223420200420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162318986 + ... + 163180574.

It is an arithmetic number, because the mean of its divisors is an integer number (6155941219785).

Almost surely, 2^{140223420200420} is an apocalyptic number.

140223420200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140223420200420 is an abundant number, since it is smaller than the sum of its proper divisors (155261758349260).

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

140223420200420 is a wasteful number, since it uses less digits than its factorization.

140223420200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889664 (or 889662 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 140223420200420 its reverse (24002024322041), we get a palindrome (164225444522461).

The spelling of 140223420200420 in words is "one hundred forty trillion, two hundred twenty-three billion, four hundred twenty million, two hundred thousand, four hundred twenty".