20520383722 has 8 divisors (see below), whose sum is σ = 31773497472. Its totient is φ = 9929217900.

The previous prime is 20520383711. The next prime is 20520383759. The reversal of 20520383722 is 22738302502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20520383722² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 165486904 + ... + 165487027.

It is an arithmetic number, because the mean of its divisors is an integer number (3971687184).

Almost surely, 2^20520383722 is an apocalyptic number.

20520383722 is a deficient number, since it is larger than the sum of its proper divisors (11253113750).

20520383722 is a wasteful number, since it uses less digits than its factorization.

20520383722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330973964.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 20520383722 in words is "twenty billion, five hundred twenty million, three hundred eighty-three thousand, seven hundred twenty-two".