20411022423660 has 144 divisors (see below), whose sum is σ = 62798197093632. Its totient is φ = 4912525545600.

The previous prime is 20411022423643. The next prime is 20411022423683. The reversal of 20411022423660 is 6632422011402.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11951545 + ... + 13552175.

It is an arithmetic number, because the mean of its divisors is an integer number (436098590928).

Almost surely, 2^{20411022423660} is an apocalyptic number.

20411022423660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20411022423660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31399098546816).

20411022423660 is an abundant number, since it is smaller than the sum of its proper divisors (42387174669972).

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

20411022423660 is a wasteful number, since it uses less digits than its factorization.

20411022423660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600932 (or 1600791 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 20411022423660 in words is "twenty trillion, four hundred eleven billion, twenty-two million, four hundred twenty-three thousand, six hundred sixty".