20356634567452 has 24 divisors (see below), whose sum is σ = 35633029059936. Its totient is φ = 10175769424128.

The previous prime is 20356634567449. The next prime is 20356634567471. The reversal of 20356634567452 is 25476543665302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379810768 + ... + 379864360.

It is an arithmetic number, because the mean of its divisors is an integer number (1484709544164).

Almost surely, 2^{20356634567452} is an apocalyptic number.

It is an amenable number.

20356634567452 is a deficient number, since it is larger than the sum of its proper divisors (15276394492484).

20356634567452 is a wasteful number, since it uses less digits than its factorization.

20356634567452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75597 (or 75595 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 58.

The spelling of 20356634567452 in words is "twenty trillion, three hundred fifty-six billion, six hundred thirty-four million, five hundred sixty-seven thousand, four hundred fifty-two".