63820302 has 64 divisors (see below), whose sum is σ = 158215680. Its totient is φ = 16712064.

The previous prime is 63820291. The next prime is 63820307. The reversal of 63820302 is 20302836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63820307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97408 + ... + 98060.

It is an arithmetic number, because the mean of its divisors is an integer number (2472120).

Almost surely, 2^63820302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63820302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79107840).

63820302 is an abundant number, since it is smaller than the sum of its proper divisors (94395378).

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

63820302 is a wasteful number, since it uses less digits than its factorization.

63820302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 63820302 is about 7988.7609802772. The cubic root of 63820302 is about 399.6252782353.

The spelling of 63820302 in words is "sixty-three million, eight hundred twenty thousand, three hundred two".