20302332330 has 32 divisors (see below), whose sum is σ = 55686397824. Its totient is φ = 4640533056.

The previous prime is 20302332307. The next prime is 20302332341. The reversal of 20302332330 is 3323320302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20302332297 and 20302332306.

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, 48338677 + ... + 48339096.

It is an arithmetic number, because the mean of its divisors is an integer number (1740199932).

Almost surely, 2^20302332330 is an apocalyptic number.

20302332330 is an abundant number, since it is smaller than the sum of its proper divisors (35384065494).

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

20302332330 is a wasteful number, since it uses less digits than its factorization.

20302332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96677790.

The product of its (nonzero) digits is 1944, while the sum is 21.

Adding to 20302332330 its reverse (3323320302), we get a palindrome (23625652632).

The spelling of 20302332330 in words is "twenty billion, three hundred two million, three hundred thirty-two thousand, three hundred thirty".