63454020 has 144 divisors (see below), whose sum is σ = 209599488. Its totient is φ = 14300160.

The previous prime is 63454007. The next prime is 63454031. The reversal of 63454020 is 2045436.

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, 332125 + ... + 332315.

It is an arithmetic number, because the mean of its divisors is an integer number (1455552).

Almost surely, 2^63454020 is an apocalyptic number.

63454020 is a gapful number since it is divisible by the number (60) 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 63454020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104799744).

63454020 is an abundant number, since it is smaller than the sum of its proper divisors (146145468).

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

63454020 is a wasteful number, since it uses less digits than its factorization.

63454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 321 counting only the distinct ones).

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

The square root of 63454020 is about 7965.8031610127. The cubic root of 63454020 is about 398.8592917205.

Adding to 63454020 its reverse (2045436), we get a palindrome (65499456).

The spelling of 63454020 in words is "sixty-three million, four hundred fifty-four thousand, twenty".