20216061512 has 16 divisors (see below), whose sum is σ = 37909968300. Its totient is φ = 10106736640.

The previous prime is 20216061499. The next prime is 20216061533. The reversal of 20216061512 is 21516061202.

It can be written as a sum of positive squares in 2 ways, for example, as 19230478276 + 985583236 = 138674^2 + 31394^2 .

It is a super-2 number, since 2×20216061512² (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, 93689 + ... + 221832.

Almost surely, 2^20216061512 is an apocalyptic number.

It is an amenable number.

20216061512 is a deficient number, since it is larger than the sum of its proper divisors (17693906788).

20216061512 is a wasteful number, since it uses less digits than its factorization.

20216061512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323536 (or 323532 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 20216061512 in words is "twenty billion, two hundred sixteen million, sixty-one thousand, five hundred twelve".