20023102012 has 12 divisors (see below), whose sum is σ = 35060943960. Its totient is φ = 10005689456.

The previous prime is 20023101983. The next prime is 20023102031. The reversal of 20023102012 is 21020132002.

It is a super-2 number, since 2×20023102012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023101983 and 20023102001.

It is a congruent number.

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, 1457698 + ... + 1471369.

It is an arithmetic number, because the mean of its divisors is an integer number (2921745330).

Almost surely, 2^20023102012 is an apocalyptic number.

It is an amenable number.

20023102012 is a deficient number, since it is larger than the sum of its proper divisors (15037841948).

20023102012 is a wasteful number, since it uses less digits than its factorization.

20023102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930780 (or 2930778 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20023102012 its reverse (21020132002), we get a palindrome (41043234014).

The spelling of 20023102012 in words is "twenty billion, twenty-three million, one hundred two thousand, twelve".