20410516250240 has 64 divisors (see below), whose sum is σ = 49249908243360. Its totient is φ = 8087905477632.

The previous prime is 20410516250237. The next prime is 20410516250251. The reversal of 20410516250240 is 4205261501402.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×20410516250240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 20410516250197 and 20410516250206.

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, 148956902 + ... + 149093861.

Almost surely, 2^{20410516250240} is an apocalyptic number.

20410516250240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410516250240 is an abundant number, since it is smaller than the sum of its proper divisors (28839391993120).

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

20410516250240 is a wasteful number, since it uses less digits than its factorization.

20410516250240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298050889 (or 298050877 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 20410516250240 its reverse (4205261501402), we get a palindrome (24615777751642).

The spelling of 20410516250240 in words is "twenty trillion, four hundred ten billion, five hundred sixteen million, two hundred fifty thousand, two hundred forty".