20415534546045 has 64 divisors (see below), whose sum is σ = 33264583372800. Its totient is φ = 10688897506560.

The previous prime is 20415534546041. The next prime is 20415534546049. The reversal of 20415534546045 is 54064543551402.

It is an interprime number because it is at equal distance from previous prime (20415534546041) and next prime (20415534546049).

It is not a de Polignac number, because 20415534546045 - 2² = 20415534546041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20415534545985 and 20415534546003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415534546041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4313442499 + ... + 4313447231.

It is an arithmetic number, because the mean of its divisors is an integer number (519759115200).

Almost surely, 2^{20415534546045} is an apocalyptic number.

It is an amenable number.

20415534546045 is a deficient number, since it is larger than the sum of its proper divisors (12849048826755).

20415534546045 is a wasteful number, since it uses less digits than its factorization.

20415534546045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530.

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 20415534546045 in words is "twenty trillion, four hundred fifteen billion, five hundred thirty-four million, five hundred forty-six thousand, forty-five".