20100120023210 has 16 divisors (see below), whose sum is σ = 36215721669600. Its totient is φ = 8032157869776.

The previous prime is 20100120023201. The next prime is 20100120023219. The reversal of 20100120023210 is 1232002100102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20100120023201) and next prime (20100120023219).

It is not an unprimeable number, because it can be changed into a prime (20100120023219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986256740 + ... + 986277119.

It is an arithmetic number, because the mean of its divisors is an integer number (2263482604350).

Almost surely, 2^{20100120023210} is an apocalyptic number.

20100120023210 is a deficient number, since it is larger than the sum of its proper divisors (16115601646390).

20100120023210 is a wasteful number, since it uses less digits than its factorization.

20100120023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972534885.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20100120023210 its reverse (1232002100102), we get a palindrome (21332122123312).

The spelling of 20100120023210 in words is "twenty trillion, one hundred billion, one hundred twenty million, twenty-three thousand, two hundred ten".