20266347574020 has 24 divisors (see below), whose sum is σ = 56745773207424. Its totient is φ = 5404359353056.

The previous prime is 20266347574001. The next prime is 20266347574027. The reversal of 20266347574020 is 2047574366202.

It is not an unprimeable number, because it can be changed into a prime (20266347574027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168886229724 + ... + 168886229843.

It is an arithmetic number, because the mean of its divisors is an integer number (2364407216976).

Almost surely, 2^{20266347574020} is an apocalyptic number.

20266347574020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20266347574020 is an abundant number, since it is smaller than the sum of its proper divisors (36479425633404).

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

20266347574020 is a wasteful number, since it uses less digits than its factorization.

20266347574020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337772459579 (or 337772459577 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 20266347574020 in words is "twenty trillion, two hundred sixty-six billion, three hundred forty-seven million, five hundred seventy-four thousand, twenty".