20654020747352 has 8 divisors (see below), whose sum is σ = 38726288901300. Its totient is φ = 10327010373672.

The previous prime is 20654020747253. The next prime is 20654020747363. The reversal of 20654020747352 is 25374702045602.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20654020747297 and 20654020747306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290876296702 + ... + 1290876296717.

Almost surely, 2^{20654020747352} is an apocalyptic number.

It is an amenable number.

20654020747352 is a deficient number, since it is larger than the sum of its proper divisors (18072268153948).

20654020747352 is a wasteful number, since it uses less digits than its factorization.

20654020747352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581752593425 (or 2581752593421 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 47.

The spelling of 20654020747352 in words is "twenty trillion, six hundred fifty-four billion, twenty million, seven hundred forty-seven thousand, three hundred fifty-two".