20470245704534 has 8 divisors (see below), whose sum is σ = 31225798532520. Its totient is φ = 10061646193696.

The previous prime is 20470245704429. The next prime is 20470245704543. The reversal of 20470245704534 is 43540754207402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86738329139 + ... + 86738329374.

It is an arithmetic number, because the mean of its divisors is an integer number (3903224816565).

Almost surely, 2^{20470245704534} is an apocalyptic number.

20470245704534 is a deficient number, since it is larger than the sum of its proper divisors (10755552827986).

20470245704534 is a wasteful number, since it uses less digits than its factorization.

20470245704534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173476658574.

The product of its (nonzero) digits is 3763200, while the sum is 47.

The spelling of 20470245704534 in words is "twenty trillion, four hundred seventy billion, two hundred forty-five million, seven hundred four thousand, five hundred thirty-four".