20470262637436 has 6 divisors (see below), whose sum is σ = 35822959615520. Its totient is φ = 10235131318716.

The previous prime is 20470262637413. The next prime is 20470262637467. The reversal of 20470262637436 is 63473626207402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2558782829676 + ... + 2558782829683.

Almost surely, 2^{20470262637436} is an apocalyptic number.

It is an amenable number.

20470262637436 is a deficient number, since it is larger than the sum of its proper divisors (15352696978084).

20470262637436 is a wasteful number, since it uses less digits than its factorization.

20470262637436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117565659363 (or 5117565659361 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 52.

The spelling of 20470262637436 in words is "twenty trillion, four hundred seventy billion, two hundred sixty-two million, six hundred thirty-seven thousand, four hundred thirty-six".