63020401552 has 20 divisors (see below), whose sum is σ = 125402083996. Its totient is φ = 30658573440.

The previous prime is 63020401523. The next prime is 63020401559. The reversal of 63020401552 is 25510402036.

It can be written as a sum of positive squares in 2 ways, for example, as 27391574016 + 35628827536 = 165504^2 + 188756^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63020401552.

It is not an unprimeable number, because it can be changed into a prime (63020401559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53226099 + ... + 53227282.

Almost surely, 2^63020401552 is an apocalyptic number.

It is an amenable number.

63020401552 is a deficient number, since it is larger than the sum of its proper divisors (62381682444).

63020401552 is a wasteful number, since it uses less digits than its factorization.

63020401552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106453426 (or 106453420 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 63020401552 its reverse (25510402036), we get a palindrome (88530803588).

The spelling of 63020401552 in words is "sixty-three billion, twenty million, four hundred one thousand, five hundred fifty-two".