45525420020 has 24 divisors (see below), whose sum is σ = 95668435968. Its totient is φ = 18197776800.

The previous prime is 45525420013. The next prime is 45525420023. The reversal of 45525420020 is 2002452554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45525420023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744296 + ... + 803135.

It is an arithmetic number, because the mean of its divisors is an integer number (3986184832).

Almost surely, 2^45525420020 is an apocalyptic number.

It is an amenable number.

45525420020 is an abundant number, since it is smaller than the sum of its proper divisors (50143015948).

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

45525420020 is a wasteful number, since it uses less digits than its factorization.

45525420020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548911 (or 1548909 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

Adding to 45525420020 its reverse (2002452554), we get a palindrome (47527872574).

The spelling of 45525420020 in words is "forty-five billion, five hundred twenty-five million, four hundred twenty thousand, twenty".