20620333534 has 4 divisors (see below), whose sum is σ = 30930500304. Its totient is φ = 10310166766.

The previous prime is 20620333529. The next prime is 20620333567. The reversal of 20620333534 is 43533302602.

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

It is a junction number, because it is equal to n+sod(n) for n = 20620333496 and 20620333505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155083382 + ... + 5155083385.

It is an arithmetic number, because the mean of its divisors is an integer number (7732625076).

Almost surely, 2^20620333534 is an apocalyptic number.

20620333534 is a deficient number, since it is larger than the sum of its proper divisors (10310166770).

20620333534 is a wasteful number, since it uses less digits than its factorization.

20620333534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310166769.

The product of its (nonzero) digits is 38880, while the sum is 31.

The spelling of 20620333534 in words is "twenty billion, six hundred twenty million, three hundred thirty-three thousand, five hundred thirty-four".