20486515534 has 8 divisors (see below), whose sum is σ = 31016967768. Its totient is φ = 10147526280.

The previous prime is 20486515531. The next prime is 20486515573. The reversal of 20486515534 is 43551568402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486515531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47865477 + ... + 47865904.

It is an arithmetic number, because the mean of its divisors is an integer number (3877120971).

Almost surely, 2^20486515534 is an apocalyptic number.

20486515534 is a deficient number, since it is larger than the sum of its proper divisors (10530452234).

20486515534 is a wasteful number, since it uses less digits than its factorization.

20486515534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95731490.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 20486515534 in words is "twenty billion, four hundred eighty-six million, five hundred fifteen thousand, five hundred thirty-four".