20310011012 has 24 divisors (see below), whose sum is σ = 37698793440. Its totient is φ = 9547087680.

The previous prime is 20310010999. The next prime is 20310011039. The reversal of 20310011012 is 21011001302.

It is a super-2 number, since 2×20310011012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20310010984 and 20310011002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010033 + ... + 1029944.

It is an arithmetic number, because the mean of its divisors is an integer number (1570783060).

Almost surely, 2^20310011012 is an apocalyptic number.

It is an amenable number.

20310011012 is a deficient number, since it is larger than the sum of its proper divisors (17388782428).

20310011012 is a wasteful number, since it uses less digits than its factorization.

20310011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040131 (or 2040129 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20310011012 its reverse (21011001302), we get a palindrome (41321012314).

The spelling of 20310011012 in words is "twenty billion, three hundred ten million, eleven thousand, twelve".