20102202101010 has 128 divisors (see below), whose sum is σ = 51355725442560. Its totient is φ = 5018354712576.

The previous prime is 20102202100999. The next prime is 20102202101077. The reversal of 20102202101010 is 1010120220102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 932416611 + ... + 932438169.

It is an arithmetic number, because the mean of its divisors is an integer number (401216605020).

Almost surely, 2^{20102202101010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20102202101010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25677862721280).

20102202101010 is an abundant number, since it is smaller than the sum of its proper divisors (31253523341550).

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

20102202101010 is a wasteful number, since it uses less digits than its factorization.

20102202101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31252.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20102202101010 its reverse (1010120220102), we get a palindrome (21112322321112).

The spelling of 20102202101010 in words is "twenty trillion, one hundred two billion, two hundred two million, one hundred one thousand, ten".