20352202045 has 16 divisors (see below), whose sum is σ = 28096443648. Its totient is φ = 13863369600.

The previous prime is 20352202037. The next prime is 20352202049. The reversal of 20352202045 is 54020225302.

It is a happy number.

It is not a de Polignac number, because 20352202045 - 2³ = 20352202037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352202049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1920184 + ... + 1930753.

It is an arithmetic number, because the mean of its divisors is an integer number (1756027728).

Almost surely, 2^20352202045 is an apocalyptic number.

It is an amenable number.

20352202045 is a deficient number, since it is larger than the sum of its proper divisors (7744241603).

20352202045 is a wasteful number, since it uses less digits than its factorization.

20352202045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851100.

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

Adding to 20352202045 its reverse (54020225302), we get a palindrome (74372427347).

The spelling of 20352202045 in words is "twenty billion, three hundred fifty-two million, two hundred two thousand, forty-five".