20001212330 has 32 divisors (see below), whose sum is σ = 39813139008. Its totient is φ = 7173532800.

The previous prime is 20001212293. The next prime is 20001212383. The reversal of 20001212330 is 3321210002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237376 + ... + 1253435.

It is an arithmetic number, because the mean of its divisors is an integer number (1244160594).

Almost surely, 2^20001212330 is an apocalyptic number.

20001212330 is a deficient number, since it is larger than the sum of its proper divisors (19811926678).

20001212330 is a wasteful number, since it uses less digits than its factorization.

20001212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490902.

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

Adding to 20001212330 its reverse (3321210002), we get a palindrome (23322422332).

The spelling of 20001212330 in words is "twenty billion, one million, two hundred twelve thousand, three hundred thirty".