20162047730 has 16 divisors (see below), whose sum is σ = 39590930304. Its totient is φ = 7331653680.

The previous prime is 20162047727. The next prime is 20162047739. The reversal of 20162047730 is 3774026102.

It is not an unprimeable number, because it can be changed into a prime (20162047739) by changing a digit.

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, 91645562 + ... + 91645781.

It is an arithmetic number, because the mean of its divisors is an integer number (2474433144).

Almost surely, 2^20162047730 is an apocalyptic number.

20162047730 is a deficient number, since it is larger than the sum of its proper divisors (19428882574).

20162047730 is a wasteful number, since it uses less digits than its factorization.

20162047730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183291361.

The product of its (nonzero) digits is 14112, while the sum is 32.

The spelling of 20162047730 in words is "twenty billion, one hundred sixty-two million, forty-seven thousand, seven hundred thirty".