20416153233240 has 96 divisors (see below), whose sum is σ = 66502278432720. Its totient is φ = 5432017853184.

The previous prime is 20416153233209. The next prime is 20416153233257. The reversal of 20416153233240 is 4233235161402.

20416153233240 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 6 + 1 + 5 + 323 + 324 + 0 = 666.

It is a super-2 number, since 2×20416153233240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20416153233195 and 20416153233204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63849027 + ... + 64167986.

Almost surely, 2^{20416153233240} is an apocalyptic number.

20416153233240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20416153233240 is an abundant number, since it is smaller than the sum of its proper divisors (46086125199480).

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

20416153233240 is a wasteful number, since it uses less digits than its factorization.

20416153233240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128017473 (or 128017466 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 20416153233240 its reverse (4233235161402), we get a palindrome (24649388394642).

The spelling of 20416153233240 in words is "twenty trillion, four hundred sixteen billion, one hundred fifty-three million, two hundred thirty-three thousand, two hundred forty".