200420020000243 has 8 divisors (see below), whose sum is σ = 200586580483040. Its totient is φ = 200253502419840.

The previous prime is 200420020000237. The next prime is 200420020000253. The reversal of 200420020000243 is 342000020024002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200420020000243 - 2²⁹ = 200419483129331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200420020000243.

It is not an unprimeable number, because it can be changed into a prime (200420020000253) 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, 1375263 + ... + 20068168.

It is an arithmetic number, because the mean of its divisors is an integer number (25073322560380).

Almost surely, 2^{200420020000243} is an apocalyptic number.

200420020000243 is a deficient number, since it is larger than the sum of its proper divisors (166560482797).

200420020000243 is a wasteful number, since it uses less digits than its factorization.

200420020000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451197.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 200420020000243 its reverse (342000020024002), we get a palindrome (542420040024245).

The spelling of 200420020000243 in words is "two hundred trillion, four hundred twenty billion, twenty million, two hundred forty-three", and thus it is an aban number.