20302303340 has 48 divisors (see below), whose sum is σ = 46818825984. Its totient is φ = 7333752000.

The previous prime is 20302303319. The next prime is 20302303369. The reversal of 20302303340 is 4330320302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272354 + ... + 338793.

It is an arithmetic number, because the mean of its divisors is an integer number (975392208).

Almost surely, 2^20302303340 is an apocalyptic number.

20302303340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302303340 is an abundant number, since it is smaller than the sum of its proper divisors (26516522644).

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

20302303340 is a wasteful number, since it uses less digits than its factorization.

20302303340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611318 (or 611316 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20302303340 its reverse (4330320302), we get a palindrome (24632623642).

The spelling of 20302303340 in words is "twenty billion, three hundred two million, three hundred three thousand, three hundred forty".