200420402345043 has 32 divisors (see below), whose sum is σ = 281732252405760. Its totient is φ = 126482926526880.

The previous prime is 200420402345027. The next prime is 200420402345081. The reversal of 200420402345043 is 340543204024002.

It is not a de Polignac number, because 200420402345043 - 2⁴ = 200420402345027 is a prime.

It is a super-2 number, since 2×200420402345043² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200420402344995 and 200420402345013.

It is not an unprimeable number, because it can be changed into a prime (200420404345043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2189788 + ... + 20140406.

It is an arithmetic number, because the mean of its divisors is an integer number (8804132887680).

Almost surely, 2^{200420402345043} is an apocalyptic number.

200420402345043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200420402345043 is a deficient number, since it is larger than the sum of its proper divisors (81311850060717).

200420402345043 is a wasteful number, since it uses less digits than its factorization.

200420402345043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17952319.

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 200420402345043 its reverse (340543204024002), we get a palindrome (540963606369045).

The spelling of 200420402345043 in words is "two hundred trillion, four hundred twenty billion, four hundred two million, three hundred forty-five thousand, forty-three".