4202020445 has 32 divisors (see below), whose sum is σ = 5838663168. Its totient is φ = 2843635968.

The previous prime is 4202020399. The next prime is 4202020481. The reversal of 4202020445 is 5440202024.

It is a cyclic number.

It is not a de Polignac number, because 4202020445 - 2⁸ = 4202020189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4202020445.

It is a congruent number.

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, 1140947 + ... + 1144623.

It is an arithmetic number, because the mean of its divisors is an integer number (182458224).

Almost surely, 2^4202020445 is an apocalyptic number.

It is an amenable number.

4202020445 is a deficient number, since it is larger than the sum of its proper divisors (1636642723).

4202020445 is a wasteful number, since it uses less digits than its factorization.

4202020445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 4202020445 is about 64822.9931814322. The cubic root of 4202020445 is about 1613.6873223147.

Adding to 4202020445 its reverse (5440202024), we get a palindrome (9642222469).

The spelling of 4202020445 in words is "four billion, two hundred two million, twenty thousand, four hundred forty-five".