20945413482 has 48 divisors (see below), whose sum is σ = 51596637120. Its totient is φ = 5632378752.

The previous prime is 20945413481. The next prime is 20945413507. The reversal of 20945413482 is 28431454902.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20945413481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2090382 + ... + 2100377.

It is an arithmetic number, because the mean of its divisors is an integer number (1074929940).

Almost surely, 2^20945413482 is an apocalyptic number.

20945413482 is an abundant number, since it is smaller than the sum of its proper divisors (30651223638).

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

20945413482 is a wasteful number, since it uses less digits than its factorization.

20945413482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190795 (or 4190788 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 20945413482 in words is "twenty billion, nine hundred forty-five million, four hundred thirteen thousand, four hundred eighty-two".