20040063056 has 20 divisors (see below), whose sum is σ = 41814362772. Its totient is φ = 9249259776.

The previous prime is 20040063049. The next prime is 20040063061. The reversal of 20040063056 is 65036004002.

It can be written as a sum of positive squares in 2 ways, for example, as 1927210000 + 18112853056 = 43900^2 + 134584^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48173021 + ... + 48173436.

Almost surely, 2^20040063056 is an apocalyptic number.

20040063056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20040063056 is an abundant number, since it is smaller than the sum of its proper divisors (21774299716).

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

20040063056 is a wasteful number, since it uses less digits than its factorization.

20040063056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96346478 (or 96346472 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 20040063056 its reverse (65036004002), we get a palindrome (85076067058).

The spelling of 20040063056 in words is "twenty billion, forty million, sixty-three thousand, fifty-six".