20261202 has 32 divisors (see below), whose sum is σ = 44302272. Its totient is φ = 6139584.

The previous prime is 20261191. The next prime is 20261231. The reversal of 20261202 is 20216202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3288 + ... + 7164.

It is an arithmetic number, because the mean of its divisors is an integer number (1384446).

Almost surely, 2^20261202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20261202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22151136).

20261202 is an abundant number, since it is smaller than the sum of its proper divisors (24041070).

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

20261202 is a wasteful number, since it uses less digits than its factorization.

20261202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962.

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

The square root of 20261202 is about 4501.2444945815. The cubic root of 20261202 is about 272.6183398695.

Adding to 20261202 its reverse (20216202), we get a palindrome (40477404).

The spelling of 20261202 in words is "twenty million, two hundred sixty-one thousand, two hundred two".