45204761242020 has 48 divisors (see below), whose sum is σ = 126592600861440. Its totient is φ = 12052767818496.

The previous prime is 45204761241989. The next prime is 45204761242027. The reversal of 45204761242020 is 2024216740254.

It is a self number, because there is not a number n which added to its sum of digits gives 45204761242020.

It is not an unprimeable number, because it can be changed into a prime (45204761242027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56951932 + ... + 57740211.

It is an arithmetic number, because the mean of its divisors is an integer number (2637345851280).

Almost surely, 2^{45204761242020} is an apocalyptic number.

It is an amenable number.

45204761242020 is an abundant number, since it is smaller than the sum of its proper divisors (81387839619420).

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

45204761242020 is a wasteful number, since it uses less digits than its factorization.

45204761242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114698724 (or 114698722 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

Adding to 45204761242020 its reverse (2024216740254), we get a palindrome (47228977982274).

The spelling of 45204761242020 in words is "forty-five trillion, two hundred four billion, seven hundred sixty-one million, two hundred forty-two thousand, twenty".