202055131110 has 128 divisors (see below), whose sum is σ = 561445032960. Its totient is φ = 45582091776.

The previous prime is 202055131097. The next prime is 202055131127. The reversal of 202055131110 is 11131550202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19324644 + ... + 19335096.

It is an arithmetic number, because the mean of its divisors is an integer number (4386289320).

Almost surely, 2^202055131110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202055131110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280722516480).

202055131110 is an abundant number, since it is smaller than the sum of its proper divisors (359389901850).

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

202055131110 is a wasteful number, since it uses less digits than its factorization.

202055131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 202055131110 its reverse (11131550202), we get a palindrome (213186681312).

The spelling of 202055131110 in words is "two hundred two billion, fifty-five million, one hundred thirty-one thousand, one hundred ten".