200420402345052 has 12 divisors (see below), whose sum is σ = 467647605471816. Its totient is φ = 66806800781680.

The previous prime is 200420402345027. The next prime is 200420402345081. The reversal of 200420402345052 is 250543204024002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×200420402345052³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8350850097699 + ... + 8350850097722.

It is an arithmetic number, because the mean of its divisors is an integer number (38970633789318).

Almost surely, 2^{200420402345052} is an apocalyptic number.

It is an amenable number.

200420402345052 is an abundant number, since it is smaller than the sum of its proper divisors (267227203126764).

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

200420402345052 is a wasteful number, since it uses less digits than its factorization.

200420402345052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701700195428 (or 16701700195426 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 200420402345052 its reverse (250543204024002), we get a palindrome (450963606369054).

The spelling of 200420402345052 in words is "two hundred trillion, four hundred twenty billion, four hundred two million, three hundred forty-five thousand, fifty-two".