2020022445 has 64 divisors (see below), whose sum is σ = 3743341056. Its totient is φ = 911139840.

The previous prime is 2020022441. The next prime is 2020022461. The reversal of 2020022445 is 5442200202.

It is not a de Polignac number, because 2020022445 - 2² = 2020022441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020022441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2983447 + ... + 2984123.

It is an arithmetic number, because the mean of its divisors is an integer number (58489704).

Almost surely, 2^2020022445 is an apocalyptic number.

It is an amenable number.

2020022445 is a deficient number, since it is larger than the sum of its proper divisors (1723318611).

2020022445 is a wasteful number, since it uses less digits than its factorization.

2020022445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2020022445 is about 44944.6598051426. The cubic root of 2020022445 is about 1264.1115468391. Note that the first 3 decimals are identical.

Adding to 2020022445 its reverse (5442200202), we get a palindrome (7462222647).

The spelling of 2020022445 in words is "two billion, twenty million, twenty-two thousand, four hundred forty-five".