20305352402 has 16 divisors (see below), whose sum is σ = 32094995040. Its totient is φ = 9608151168.

The previous prime is 20305352363. The next prime is 20305352437. The reversal of 20305352402 is 20425350302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246143 + ... + 318114.

It is an arithmetic number, because the mean of its divisors is an integer number (2005937190).

Almost surely, 2^20305352402 is an apocalyptic number.

20305352402 is a deficient number, since it is larger than the sum of its proper divisors (11789642638).

20305352402 is a wasteful number, since it uses less digits than its factorization.

20305352402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565225.

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 20305352402 in words is "twenty billion, three hundred five million, three hundred fifty-two thousand, four hundred two".