20103002012 has 12 divisors (see below), whose sum is σ = 35181588960. Its totient is φ = 10051119456.

The previous prime is 20103001987. The next prime is 20103002057. The reversal of 20103002012 is 21020030102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20103001984 and 20103002002.

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, 46664 + ... + 205872.

It is an arithmetic number, because the mean of its divisors is an integer number (2931799080).

Almost surely, 2^20103002012 is an apocalyptic number.

It is an amenable number.

20103002012 is a deficient number, since it is larger than the sum of its proper divisors (15078586948).

20103002012 is a wasteful number, since it uses less digits than its factorization.

20103002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190780 (or 190778 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20103002012 its reverse (21020030102), we get a palindrome (41123032114).

The spelling of 20103002012 in words is "twenty billion, one hundred three million, two thousand, twelve".