20102002210 has 32 divisors (see below), whose sum is σ = 37794781440. Its totient is φ = 7688146368.

The previous prime is 20102002169. The next prime is 20102002211. The reversal of 20102002210 is 1220020102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20102002211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306622 + ... + 366361.

It is an arithmetic number, because the mean of its divisors is an integer number (1181086920).

Almost surely, 2^20102002210 is an apocalyptic number.

20102002210 is a deficient number, since it is larger than the sum of its proper divisors (17692779230).

20102002210 is a wasteful number, since it uses less digits than its factorization.

20102002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673122.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20102002210 its reverse (1220020102), we get a palindrome (21322022312).

The spelling of 20102002210 in words is "twenty billion, one hundred two million, two thousand, two hundred ten".