2202020451 has 8 divisors (see below), whose sum is σ = 3262252560. Its totient is φ = 1468013616.

The previous prime is 2202020449. The next prime is 2202020531. The reversal of 2202020451 is 1540202022.

It is not a de Polignac number, because 2202020451 - 2¹ = 2202020449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2202020441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40778130 + ... + 40778183.

It is an arithmetic number, because the mean of its divisors is an integer number (407781570).

Almost surely, 2^2202020451 is an apocalyptic number.

2202020451 is a deficient number, since it is larger than the sum of its proper divisors (1060232109).

2202020451 is an equidigital number, since it uses as much as digits as its factorization.

2202020451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81556322 (or 81556316 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2202020451 is about 46925.6907354596. The cubic root of 2202020451 is about 1300.9894737089.

Adding to 2202020451 its reverse (1540202022), we get a palindrome (3742222473).

The spelling of 2202020451 in words is "two billion, two hundred two million, twenty thousand, four hundred fifty-one".