20322545450 has 48 divisors (see below), whose sum is σ = 40047697944. Its totient is φ = 7646208000.

The previous prime is 20322545389. The next prime is 20322545489. The reversal of 20322545450 is 5454522302.

It can be written as a sum of positive squares in 12 ways, for example, as 3108843049 + 17213702401 = 55757^2 + 131201^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1609562 + ... + 1622138.

Almost surely, 2^20322545450 is an apocalyptic number.

20322545450 is a deficient number, since it is larger than the sum of its proper divisors (19725152494).

20322545450 is a wasteful number, since it uses less digits than its factorization.

20322545450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14507 (or 14502 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 20322545450 in words is "twenty billion, three hundred twenty-two million, five hundred forty-five thousand, four hundred fifty".