20935002 has 16 divisors (see below), whose sum is σ = 45676512. Its totient is φ = 6343920.

The previous prime is 20934961. The next prime is 20935009. The reversal of 20935002 is 20053902.

It is a self number, because there is not a number n which added to its sum of digits gives 20935002.

It is not an unprimeable number, because it can be changed into a prime (20935009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158533 + ... + 158664.

It is an arithmetic number, because the mean of its divisors is an integer number (2854782).

Almost surely, 2^20935002 is an apocalyptic number.

20935002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20935002 is an abundant number, since it is smaller than the sum of its proper divisors (24741510).

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

20935002 is a wasteful number, since it uses less digits than its factorization.

20935002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317213.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 20935002 is about 4575.4783356497. The cubic root of 20935002 is about 275.6074813141.

Adding to 20935002 its reverse (20053902), we get a palindrome (40988904).

The spelling of 20935002 in words is "twenty million, nine hundred thirty-five thousand, two".