20303700492 has 12 divisors (see below), whose sum is σ = 47375301176. Its totient is φ = 6767900160.

The previous prime is 20303700467. The next prime is 20303700497. The reversal of 20303700492 is 29400730302.

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

It is not an unprimeable number, because it can be changed into a prime (20303700497) 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, 845987509 + ... + 845987532.

Almost surely, 2^20303700492 is an apocalyptic number.

It is an amenable number.

20303700492 is an abundant number, since it is smaller than the sum of its proper divisors (27071600684).

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

20303700492 is a wasteful number, since it uses less digits than its factorization.

20303700492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691975048 (or 1691975046 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 20303700492 in words is "twenty billion, three hundred three million, seven hundred thousand, four hundred ninety-two".