4020631552 has 192 divisors, whose sum is σ = 9686476800. Its totient is φ = 1632337920.

The previous prime is 4020631501. The next prime is 4020631607. The reversal of 4020631552 is 2551360204.

4020631552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 4020631552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36886474 + ... + 36886582.

It is an arithmetic number, because the mean of its divisors is an integer number (50450400).

Almost surely, 2^4020631552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020631552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4843238400).

4020631552 is an abundant number, since it is smaller than the sum of its proper divisors (5665845248).

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

4020631552 is a wasteful number, since it uses less digits than its factorization.

4020631552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 232 counting only the distinct ones).

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

The square root of 4020631552 is about 63408.4501624192. The cubic root of 4020631552 is about 1590.1255853233.

Adding to 4020631552 its reverse (2551360204), we get a palindrome (6571991756).

The spelling of 4020631552 in words is "four billion, twenty million, six hundred thirty-one thousand, five hundred fifty-two".