420531322200 has 192 divisors, whose sum is σ = 1505817371520. Its totient is φ = 95950080000.

The previous prime is 420531322187. The next prime is 420531322223. The reversal of 420531322200 is 2223135024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1761826 + ... + 1986225.

It is an arithmetic number, because the mean of its divisors is an integer number (7842798810).

Almost surely, 2^420531322200 is an apocalyptic number.

420531322200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420531322200 is an abundant number, since it is smaller than the sum of its proper divisors (1085286049320).

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

420531322200 is a wasteful number, since it uses less digits than its factorization.

420531322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748098 (or 3748089 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 420531322200 its reverse (2223135024), we get a palindrome (422754457224).

The spelling of 420531322200 in words is "four hundred twenty billion, five hundred thirty-one million, three hundred twenty-two thousand, two hundred".