20220019216 has 10 divisors (see below), whose sum is σ = 39176287262. Its totient is φ = 10110009600.

The previous prime is 20220019163. The next prime is 20220019217. The reversal of 20220019216 is 61291002202.

It can be written as a sum of positive squares in only one way, i.e., 11138691600 + 9081327616 = 105540^2 + 95296^2 .

It is not an unprimeable number, because it can be changed into a prime (20220019217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631875585 + ... + 631875616.

Almost surely, 2^20220019216 is an apocalyptic number.

It is an amenable number.

20220019216 is a deficient number, since it is larger than the sum of its proper divisors (18956268046).

20220019216 is a wasteful number, since it uses less digits than its factorization.

20220019216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263751209 (or 1263751203 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 20220019216 in words is "twenty billion, two hundred twenty million, nineteen thousand, two hundred sixteen".