20473432064106 has 128 divisors (see below), whose sum is σ = 47676760952832. Its totient is φ = 5740301952000.

The previous prime is 20473432063993. The next prime is 20473432064147. The reversal of 20473432064106 is 60146023437402.

It is a super-2 number, since 2×20473432064106² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1676632341 + ... + 1676644551.

It is an arithmetic number, because the mean of its divisors is an integer number (372474694944).

Almost surely, 2^{20473432064106} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20473432064106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23838380476416).

20473432064106 is an abundant number, since it is smaller than the sum of its proper divisors (27203328888726).

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

20473432064106 is a wasteful number, since it uses less digits than its factorization.

20473432064106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14868.

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 20473432064106 in words is "twenty trillion, four hundred seventy-three billion, four hundred thirty-two million, sixty-four thousand, one hundred six".