4145320020 has 24 divisors (see below), whose sum is σ = 11606896224. Its totient is φ = 1105418656.

The previous prime is 4145320007. The next prime is 4145320021. The reversal of 4145320020 is 200235414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145320021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34544274 + ... + 34544393.

It is an arithmetic number, because the mean of its divisors is an integer number (483620676).

Almost surely, 2^4145320020 is an apocalyptic number.

It is an amenable number.

4145320020 is an abundant number, since it is smaller than the sum of its proper divisors (7461576204).

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

4145320020 is a wasteful number, since it uses less digits than its factorization.

4145320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69088679 (or 69088677 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4145320020 is about 64384.1596978636. The cubic root of 4145320020 is about 1606.3962733351.

Adding to 4145320020 its reverse (200235414), we get a palindrome (4345555434).

The spelling of 4145320020 in words is "four billion, one hundred forty-five million, three hundred twenty thousand, twenty".