20056415534 has 4 divisors (see below), whose sum is σ = 30084623304. Its totient is φ = 10028207766.

The previous prime is 20056415527. The next prime is 20056415551. The reversal of 20056415534 is 43551465002.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20056415494 and 20056415503.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5014103882 + ... + 5014103885.

It is an arithmetic number, because the mean of its divisors is an integer number (7521155826).

Almost surely, 2^20056415534 is an apocalyptic number.

20056415534 is a deficient number, since it is larger than the sum of its proper divisors (10028207770).

20056415534 is a wasteful number, since it uses less digits than its factorization.

20056415534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028207769.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 20056415534 in words is "twenty billion, fifty-six million, four hundred fifteen thousand, five hundred thirty-four".