20949602 has 8 divisors (see below), whose sum is σ = 31957200. Its totient is φ = 10297204.

The previous prime is 20949601. The next prime is 20949611. The reversal of 20949602 is 20694902.

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

It is not an unprimeable number, because it can be changed into a prime (20949601) 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, 88652 + ... + 88887.

It is an arithmetic number, because the mean of its divisors is an integer number (3994650).

Almost surely, 2^20949602 is an apocalyptic number.

20949602 is a deficient number, since it is larger than the sum of its proper divisors (11007598).

20949602 is a wasteful number, since it uses less digits than its factorization.

20949602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177600.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 20949602 is about 4577.0735191823. The cubic root of 20949602 is about 275.6715356696.

The spelling of 20949602 in words is "twenty million, nine hundred forty-nine thousand, six hundred two".