20220320984 has 16 divisors (see below), whose sum is σ = 37928119320. Its totient is φ = 10106155840.

The previous prime is 20220320983. The next prime is 20220321013. The reversal of 20220320984 is 48902302202.

It is a super-2 number, since 2×20220320984² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20220320984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220320983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479069 + ... + 519564.

Almost surely, 2^20220320984 is an apocalyptic number.

It is an amenable number.

20220320984 is a deficient number, since it is larger than the sum of its proper divisors (17707798336).

20220320984 is a wasteful number, since it uses less digits than its factorization.

20220320984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001170 (or 1001166 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 20220320984 in words is "twenty billion, two hundred twenty million, three hundred twenty thousand, nine hundred eighty-four".