20010023312 has 10 divisors (see below), whose sum is σ = 38769420198. Its totient is φ = 10005011648.

The previous prime is 20010023273. The next prime is 20010023329. The reversal of 20010023312 is 21332001002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13047122176 + 6962901136 = 114224^2 + 83444^2 .

It is a super-3 number, since 3×20010023312³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625313213 + ... + 625313244.

Almost surely, 2^20010023312 is an apocalyptic number.

It is an amenable number.

20010023312 is a deficient number, since it is larger than the sum of its proper divisors (18759396886).

20010023312 is a wasteful number, since it uses less digits than its factorization.

20010023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250626465 (or 1250626459 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20010023312 its reverse (21332001002), we get a palindrome (41342024314).

The spelling of 20010023312 in words is "twenty billion, ten million, twenty-three thousand, three hundred twelve".