20262043484560 has 160 divisors (see below), whose sum is σ = 50899167244800. Its totient is φ = 7484795136000.

The previous prime is 20262043484513. The next prime is 20262043484561. The reversal of 20262043484560 is 6548434026202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20262043484560.

It is not an unprimeable number, because it can be changed into a prime (20262043484561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3064185 + ... + 7064935.

It is an arithmetic number, because the mean of its divisors is an integer number (318119795280).

Almost surely, 2^{20262043484560} is an apocalyptic number.

20262043484560 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 20262043484560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25449583622400).

20262043484560 is an abundant number, since it is smaller than the sum of its proper divisors (30637123760240).

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

20262043484560 is a wasteful number, since it uses less digits than its factorization.

20262043484560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000889 (or 4000883 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 20262043484560 in words is "twenty trillion, two hundred sixty-two billion, forty-three million, four hundred eighty-four thousand, five hundred sixty".