20123220010 has 8 divisors (see below), whose sum is σ = 36221796036. Its totient is φ = 8049288000.

The previous prime is 20123220001. The next prime is 20123220037. The reversal of 20123220010 is 1002232102.

It can be written as a sum of positive squares in 2 ways, for example, as 19938287209 + 184932801 = 141203^2 + 13599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1006160991 + ... + 1006161010.

Almost surely, 2^20123220010 is an apocalyptic number.

20123220010 is a deficient number, since it is larger than the sum of its proper divisors (16098576026).

20123220010 is a wasteful number, since it uses less digits than its factorization.

20123220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012322008.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20123220010 its reverse (1002232102), we get a palindrome (21125452112).

The spelling of 20123220010 in words is "twenty billion, one hundred twenty-three million, two hundred twenty thousand, ten".