4200202400020 has 48 divisors (see below), whose sum is σ = 9765898043328. Its totient is φ = 1504550108160.

The previous prime is 4200202399979. The next prime is 4200202400063. The reversal of 4200202400020 is 200042020024.

It is a super-2 number, since 2×4200202400020² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4200202399967 and 4200202400003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142461597 + ... + 142491076.

It is an arithmetic number, because the mean of its divisors is an integer number (203456209236).

Almost surely, 2^{4200202400020} is an apocalyptic number.

It is an amenable number.

4200202400020 is an abundant number, since it is smaller than the sum of its proper divisors (5565695643308).

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

4200202400020 is a wasteful number, since it uses less digits than its factorization.

4200202400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284952760 (or 284952758 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 4200202400020 its reverse (200042020024), we get a palindrome (4400244420044).

The spelling of 4200202400020 in words is "four trillion, two hundred billion, two hundred two million, four hundred thousand, twenty".