2020223545 has 32 divisors (see below), whose sum is σ = 2621808000. Its totient is φ = 1489374720.

The previous prime is 2020223533. The next prime is 2020223591. The reversal of 2020223545 is 5453220202.

It is a happy number.

It is not a de Polignac number, because 2020223545 - 2¹⁹ = 2019699257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1982046 + ... + 1983064.

It is an arithmetic number, because the mean of its divisors is an integer number (81931500).

Almost surely, 2^2020223545 is an apocalyptic number.

It is an amenable number.

2020223545 is a deficient number, since it is larger than the sum of its proper divisors (601584455).

2020223545 is a wasteful number, since it uses less digits than its factorization.

2020223545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2020223545 is about 44946.8969451730. The cubic root of 2020223545 is about 1264.1534942932.

Adding to 2020223545 its reverse (5453220202), we get a palindrome (7473443747).

The spelling of 2020223545 in words is "two billion, twenty million, two hundred twenty-three thousand, five hundred forty-five".