20122220210 has 32 divisors (see below), whose sum is σ = 36399456000. Its totient is φ = 8009061760.

The previous prime is 20122220201. The next prime is 20122220257. The reversal of 20122220210 is 1202222102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4325966 + ... + 4330614.

It is an arithmetic number, because the mean of its divisors is an integer number (1137483000).

Almost surely, 2^20122220210 is an apocalyptic number.

20122220210 is a deficient number, since it is larger than the sum of its proper divisors (16277235790).

20122220210 is a wasteful number, since it uses less digits than its factorization.

20122220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20122220210 its reverse (1202222102), we get a palindrome (21324442312).

It can be divided in two parts, 2012 and 2220210, that added together give a palindrome (2222222).

The spelling of 20122220210 in words is "twenty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred ten".