20002602 has 8 divisors (see below), whose sum is σ = 40005216. Its totient is φ = 6667532.

The previous prime is 20002579. The next prime is 20002603. The reversal of 20002602 is 20620002.

It is a sphenic number, since it is the product of 3 distinct primes.

20002602 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20002603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666878 + ... + 1666889.

It is an arithmetic number, because the mean of its divisors is an integer number (5000652).

Almost surely, 2^20002602 is an apocalyptic number.

20002602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20002602 is a wasteful number, since it uses less digits than its factorization.

20002602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333772.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20002602 is about 4472.4268579821. The cubic root of 20002602 is about 271.4535326734.

Adding to 20002602 its reverse (20620002), we get a palindrome (40622604).

The spelling of 20002602 in words is "twenty million, two thousand, six hundred two".