200421340120 has 64 divisors (see below), whose sum is σ = 465644067840. Its totient is φ = 77557564800.

The previous prime is 200421340099. The next prime is 200421340121. The reversal of 200421340120 is 21043124002.

200421340120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×200421340120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200421340121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4106179 + ... + 4154701.

It is an arithmetic number, because the mean of its divisors is an integer number (7275688560).

Almost surely, 2^200421340120 is an apocalyptic number.

200421340120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200421340120 is an abundant number, since it is smaller than the sum of its proper divisors (265222727720).

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

200421340120 is a wasteful number, since it uses less digits than its factorization.

200421340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51896 (or 51892 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 200421340120 its reverse (21043124002), we get a palindrome (221464464122).

The spelling of 200421340120 in words is "two hundred billion, four hundred twenty-one million, three hundred forty thousand, one hundred twenty".