420211130250 has 128 divisors (see below), whose sum is σ = 1085119027200. Its totient is φ = 108197376000.

The previous prime is 420211130221. The next prime is 420211130267. The reversal of 420211130250 is 52031112024.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10419124 + ... + 10459376.

It is an arithmetic number, because the mean of its divisors is an integer number (8477492400).

Almost surely, 2^420211130250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420211130250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542559513600).

420211130250 is an abundant number, since it is smaller than the sum of its proper divisors (664907896950).

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

420211130250 is a wasteful number, since it uses less digits than its factorization.

420211130250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40753 (or 40743 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 420211130250 its reverse (52031112024), we get a palindrome (472242242274).

The spelling of 420211130250 in words is "four hundred twenty billion, two hundred eleven million, one hundred thirty thousand, two hundred fifty".