20202440302 has 8 divisors (see below), whose sum is σ = 33058538712. Its totient is φ = 9182927400.

The previous prime is 20202440281. The next prime is 20202440303. The reversal of 20202440302 is 20304420202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20202440302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202440303) 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, 459146349 + ... + 459146392.

It is an arithmetic number, because the mean of its divisors is an integer number (4132317339).

Almost surely, 2^20202440302 is an apocalyptic number.

20202440302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20202440302 is a deficient number, since it is larger than the sum of its proper divisors (12856098410).

20202440302 is a wasteful number, since it uses less digits than its factorization.

20202440302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918292754.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20202440302 its reverse (20304420202), we get a palindrome (40506860504).

The spelling of 20202440302 in words is "twenty billion, two hundred two million, four hundred forty thousand, three hundred two".