20100222210 has 16 divisors (see below), whose sum is σ = 48240533376. Its totient is φ = 5360059248.

The previous prime is 20100222209. The next prime is 20100222211. The reversal of 20100222210 is 1222200102.

It is an interprime number because it is at equal distance from previous prime (20100222209) and next prime (20100222211).

It is not an unprimeable number, because it can be changed into a prime (20100222211) 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, 335003674 + ... + 335003733.

It is an arithmetic number, because the mean of its divisors is an integer number (3015033336).

Almost surely, 2^20100222210 is an apocalyptic number.

20100222210 is an abundant number, since it is smaller than the sum of its proper divisors (28140311166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20100222210 is a wasteful number, since it uses less digits than its factorization.

20100222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670007417.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20100222210 its reverse (1222200102), we get a palindrome (21322422312).

The spelling of 20100222210 in words is "twenty billion, one hundred million, two hundred twenty-two thousand, two hundred ten".