20235578322 has 16 divisors (see below), whose sum is σ = 42601217760. Its totient is φ = 6390182592.

The previous prime is 20235578309. The next prime is 20235578339. The reversal of 20235578322 is 22387553202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88752423 + ... + 88752650.

It is an arithmetic number, because the mean of its divisors is an integer number (2662576110).

Almost surely, 2^20235578322 is an apocalyptic number.

20235578322 is an abundant number, since it is smaller than the sum of its proper divisors (22365639438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20235578322 is a wasteful number, since it uses less digits than its factorization.

20235578322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177505097.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 20235578322 in words is "twenty billion, two hundred thirty-five million, five hundred seventy-eight thousand, three hundred twenty-two".