420202004000 has 96 divisors (see below), whose sum is σ = 1039865299200. Its totient is φ = 166871366400.

The previous prime is 420202003979. The next prime is 420202004039. The reversal of 420202004000 is 400202024.

It is a happy 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, 178121 + ... + 933879.

It is an arithmetic number, because the mean of its divisors is an integer number (10831930200).

Almost surely, 2^420202004000 is an apocalyptic number.

420202004000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420202004000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519932649600).

420202004000 is an abundant number, since it is smaller than the sum of its proper divisors (619663295200).

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

420202004000 is a wasteful number, since it uses less digits than its factorization.

420202004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755923 (or 755905 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 420202004000 its reverse (400202024), we get a palindrome (420602206024).

The spelling of 420202004000 in words is "four hundred twenty billion, two hundred two million, four thousand".