140420204121320 has 32 divisors (see below), whose sum is σ = 318741436798920. Its totient is φ = 55671018977280.

The previous prime is 140420204121287. The next prime is 140420204121371. The reversal of 140420204121320 is 23121402024041.

140420204121320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 84596324035876 + 55823880085444 = 9197626^2 + 7471538^2 .

It is a super-4 number, since 4×140420204121320⁴ (a number of 58 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140420204121320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15533203901 + ... + 15533212940.

Almost surely, 2^{140420204121320} is an apocalyptic number.

140420204121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140420204121320 is an abundant number, since it is smaller than the sum of its proper divisors (178321232677600).

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

140420204121320 is a wasteful number, since it uses less digits than its factorization.

140420204121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31066416965 (or 31066416961 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140420204121320 its reverse (23121402024041), we get a palindrome (163541606145361).

The spelling of 140420204121320 in words is "one hundred forty trillion, four hundred twenty billion, two hundred four million, one hundred twenty-one thousand, three hundred twenty".