20101213030 has 16 divisors (see below), whose sum is σ = 36425019600. Its totient is φ = 7986521632.

The previous prime is 20101213019. The next prime is 20101213057. The reversal of 20101213030 is 3031210102.

It is a self number, because there is not a number n which added to its sum of digits gives 20101213030.

It is a congruent number.

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, 6743884 + ... + 6746863.

It is an arithmetic number, because the mean of its divisors is an integer number (2276563725).

Almost surely, 2^20101213030 is an apocalyptic number.

20101213030 is a deficient number, since it is larger than the sum of its proper divisors (16323806570).

20101213030 is a wasteful number, since it uses less digits than its factorization.

20101213030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13490903.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20101213030 its reverse (3031210102), we get a palindrome (23132423132).

The spelling of 20101213030 in words is "twenty billion, one hundred one million, two hundred thirteen thousand, thirty".