20024440314440 has 32 divisors (see below), whose sum is σ = 45069767955000. Its totient is φ = 8007149059584.

The previous prime is 20024440314427. The next prime is 20024440314469. The reversal of 20024440314440 is 4441304442002.

It can be written as a sum of positive squares in 4 ways, for example, as 12893543014564 + 7130897299876 = 3590758^2 + 2670374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20024440314397 and 20024440314406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81972335 + ... + 82216254.

Almost surely, 2^{20024440314440} is an apocalyptic number.

20024440314440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20024440314440 is an abundant number, since it is smaller than the sum of its proper divisors (25045327640560).

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

20024440314440 is a wasteful number, since it uses less digits than its factorization.

20024440314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164191649 (or 164191645 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 20024440314440 its reverse (4441304442002), we get a palindrome (24465744756442).

The spelling of 20024440314440 in words is "twenty trillion, twenty-four billion, four hundred forty million, three hundred fourteen thousand, four hundred forty".