63302420 has 24 divisors (see below), whose sum is σ = 135765504. Its totient is φ = 24781856.

The previous prime is 63302419. The next prime is 63302423. The reversal of 63302420 is 2420336.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 63302392 and 63302401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63302423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32732 + ... + 34611.

It is an arithmetic number, because the mean of its divisors is an integer number (5656896).

Almost surely, 2^63302420 is an apocalyptic number.

It is an amenable number.

63302420 is an abundant number, since it is smaller than the sum of its proper divisors (72463084).

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

63302420 is a wasteful number, since it uses less digits than its factorization.

63302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67399 (or 67397 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 63302420 is about 7956.2817949090. The cubic root of 63302420 is about 398.5413959842.

Adding to 63302420 its reverse (2420336), we get a palindrome (65722756).

The spelling of 63302420 in words is "sixty-three million, three hundred two thousand, four hundred twenty".