20734237270744 has 8 divisors (see below), whose sum is σ = 38876694882660. Its totient is φ = 10367118635368.

The previous prime is 20734237270729. The next prime is 20734237270753. The reversal of 20734237270744 is 44707273243702.

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 = 20734237270691 and 20734237270700.

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, 1295889829414 + ... + 1295889829429.

Almost surely, 2^{20734237270744} is an apocalyptic number.

It is an amenable number.

20734237270744 is a deficient number, since it is larger than the sum of its proper divisors (18142457611916).

20734237270744 is a wasteful number, since it uses less digits than its factorization.

20734237270744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591779658849 (or 2591779658845 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 52.

The spelling of 20734237270744 in words is "twenty trillion, seven hundred thirty-four billion, two hundred thirty-seven million, two hundred seventy thousand, seven hundred forty-four".