2102202140 has 12 divisors (see below), whose sum is σ = 4414624536. Its totient is φ = 840880848.

The previous prime is 2102202131. The next prime is 2102202203. The reversal of 2102202140 is 412022012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52555034 + ... + 52555073.

It is an arithmetic number, because the mean of its divisors is an integer number (367885378).

Almost surely, 2^2102202140 is an apocalyptic number.

2102202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102202140 is an abundant number, since it is smaller than the sum of its proper divisors (2312422396).

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

2102202140 is a wasteful number, since it uses less digits than its factorization.

2102202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105110116 (or 105110114 counting only the distinct ones).

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

The square root of 2102202140 is about 45849.7779711091. Note that the first 3 decimals coincide. The cubic root of 2102202140 is about 1281.0266299798.

Adding to 2102202140 its reverse (412022012), we get a palindrome (2514224152).

The spelling of 2102202140 in words is "two billion, one hundred two million, two hundred two thousand, one hundred forty".