20369409047148 has 72 divisors (see below), whose sum is σ = 55289018232000. Its totient is φ = 5819765656992.

The previous prime is 20369409047137. The next prime is 20369409047159. The reversal of 20369409047148 is 84174090496302.

It is an interprime number because it is at equal distance from previous prime (20369409047137) and next prime (20369409047159).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80417203 + ... + 80670101.

It is an arithmetic number, because the mean of its divisors is an integer number (767903031000).

Almost surely, 2^{20369409047148} is an apocalyptic number.

20369409047148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20369409047148 is an abundant number, since it is smaller than the sum of its proper divisors (34919609184852).

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

20369409047148 is a wasteful number, since it uses less digits than its factorization.

20369409047148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389899 (or 389890 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 20369409047148 in words is "twenty trillion, three hundred sixty-nine billion, four hundred nine million, forty-seven thousand, one hundred forty-eight".