20302015476 has 12 divisors (see below), whose sum is σ = 47371369472. Its totient is φ = 6767338488.

The previous prime is 20302015441. The next prime is 20302015483. The reversal of 20302015476 is 67451020302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 845917300 + ... + 845917323.

Almost surely, 2^20302015476 is an apocalyptic number.

It is an amenable number.

20302015476 is an abundant number, since it is smaller than the sum of its proper divisors (27069353996).

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

20302015476 is a wasteful number, since it uses less digits than its factorization.

20302015476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691834630 (or 1691834628 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 20302015476 its reverse (67451020302), we get a palindrome (87753035778).

The spelling of 20302015476 in words is "twenty billion, three hundred two million, fifteen thousand, four hundred seventy-six".