20112021296 has 20 divisors (see below), whose sum is σ = 38969250600. Its totient is φ = 10055440512.

The previous prime is 20112021283. The next prime is 20112021301. The reversal of 20112021296 is 69212021102.

It is a super-2 number, since 2×20112021296² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493340 + ... + 532548.

It is an arithmetic number, because the mean of its divisors is an integer number (1948462530).

Almost surely, 2^20112021296 is an apocalyptic number.

It is an amenable number.

20112021296 is a deficient number, since it is larger than the sum of its proper divisors (18857229304).

20112021296 is a wasteful number, since it uses less digits than its factorization.

20112021296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71276 (or 71270 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 20112021296 its reverse (69212021102), we get a palindrome (89324042398).

The spelling of 20112021296 in words is "twenty billion, one hundred twelve million, twenty-one thousand, two hundred ninety-six".