20747620029468 has 24 divisors (see below), whose sum is σ = 48411357039360. Its totient is φ = 6915838537840.

The previous prime is 20747620029443. The next prime is 20747620029473. The reversal of 20747620029468 is 86492002674702.

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, 1807428 + ... + 6690443.

It is an arithmetic number, because the mean of its divisors is an integer number (2017139876640).

Almost surely, 2^{20747620029468} is an apocalyptic number.

It is an amenable number.

20747620029468 is an abundant number, since it is smaller than the sum of its proper divisors (27663737009892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20747620029468 is a wasteful number, since it uses less digits than its factorization.

20747620029468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701337 (or 8701335 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 20747620029468 in words is "twenty trillion, seven hundred forty-seven billion, six hundred twenty million, twenty-nine thousand, four hundred sixty-eight".