20022102010 has 32 divisors (see below), whose sum is σ = 36800330832. Its totient is φ = 7841433600.

The previous prime is 20022101993. The next prime is 20022102011. The reversal of 20022102010 is 1020122002.

It can be written as a sum of positive squares in 8 ways, for example, as 4752309969 + 15269792041 = 68937^2 + 123571^2 .

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 (20022102011) 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, 91 + ... + 200110.

Almost surely, 2^20022102010 is an apocalyptic number.

20022102010 is a deficient number, since it is larger than the sum of its proper divisors (16778228822).

20022102010 is a wasteful number, since it uses less digits than its factorization.

20022102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200418.

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

Adding to 20022102010 its reverse (1020122002), we get a palindrome (21042224012).

It can be divided in two parts, 2002 and 2102010, that added together give a palindrome (2104012).

The spelling of 20022102010 in words is "twenty billion, twenty-two million, one hundred two thousand, ten".