20322743750 has 48 divisors (see below), whose sum is σ = 38625527808. Its totient is φ = 8017560000.

The previous prime is 20322743723. The next prime is 20322743803. The reversal of 20322743750 is 5734722302.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20322743750.

It is a congruent number.

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, 433979 + ... + 478521.

It is an arithmetic number, because the mean of its divisors is an integer number (804698496).

Almost surely, 2^20322743750 is an apocalyptic number.

20322743750 is a deficient number, since it is larger than the sum of its proper divisors (18302784058).

20322743750 is an frugal number, since it uses more digits than its factorization.

20322743750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44643 (or 44623 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 35.

The spelling of 20322743750 in words is "twenty billion, three hundred twenty-two million, seven hundred forty-three thousand, seven hundred fifty".