20012321030 has 16 divisors (see below), whose sum is σ = 38793114864. Its totient is φ = 7389164640.

The previous prime is 20012321027. The next prime is 20012321047. The reversal of 20012321030 is 3012321002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20012320996 and 20012321014.

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, 76970336 + ... + 76970595.

It is an arithmetic number, because the mean of its divisors is an integer number (2424569679).

Almost surely, 2^20012321030 is an apocalyptic number.

20012321030 is a deficient number, since it is larger than the sum of its proper divisors (18780793834).

20012321030 is a wasteful number, since it uses less digits than its factorization.

20012321030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153940951.

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

Adding to 20012321030 its reverse (3012321002), we get a palindrome (23024642032).

The spelling of 20012321030 in words is "twenty billion, twelve million, three hundred twenty-one thousand, thirty".