20410121210 has 16 divisors (see below), whose sum is σ = 36739858176. Its totient is φ = 8163684048.

The previous prime is 20410121203. The next prime is 20410121227. The reversal of 20410121210 is 1212101402.

It is a happy 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, 371327 + ... + 422733.

It is an arithmetic number, because the mean of its divisors is an integer number (2296241136).

Almost surely, 2^20410121210 is an apocalyptic number.

20410121210 is a deficient number, since it is larger than the sum of its proper divisors (16329736966).

20410121210 is a wasteful number, since it uses less digits than its factorization.

20410121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91117.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20410121210 its reverse (1212101402), we get a palindrome (21622222612).

The spelling of 20410121210 in words is "twenty billion, four hundred ten million, one hundred twenty-one thousand, two hundred ten".