20102262 has 24 divisors (see below), whose sum is σ = 42712296. Its totient is φ = 6306048.

The previous prime is 20102239. The next prime is 20102263. The reversal of 20102262 is 26220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4063 + ... + 7530.

It is an arithmetic number, because the mean of its divisors is an integer number (1779679).

Almost surely, 2^20102262 is an apocalyptic number.

20102262 is an abundant number, since it is smaller than the sum of its proper divisors (22610034).

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

20102262 is a wasteful number, since it uses less digits than its factorization.

20102262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11632 (or 11615 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20102262 is about 4483.5546165961. The cubic root of 20102262 is about 271.9036116804.

Adding to 20102262 its reverse (26220102), we get a palindrome (46322364).

It can be divided in two parts, 2010 and 2262, that multiplied together give a triangular number (4546620 = T₃₀₁₅).

The spelling of 20102262 in words is "twenty million, one hundred two thousand, two hundred sixty-two".