20411313320 has 64 divisors (see below), whose sum is σ = 46294416000. Its totient is φ = 8099080960.

The previous prime is 20411313301. The next prime is 20411313371. The reversal of 20411313320 is 2331311402.

It is a super-2 number, since 2×20411313320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20411313292 and 20411313301.

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, 5785397 + ... + 5788923.

It is an arithmetic number, because the mean of its divisors is an integer number (723350250).

Almost surely, 2^20411313320 is an apocalyptic number.

20411313320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20411313320 is an abundant number, since it is smaller than the sum of its proper divisors (25883102680).

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

20411313320 is a wasteful number, since it uses less digits than its factorization.

20411313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658 (or 4654 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20411313320 its reverse (2331311402), we get a palindrome (22742624722).

The spelling of 20411313320 in words is "twenty billion, four hundred eleven million, three hundred thirteen thousand, three hundred twenty".