20702016495 has 24 divisors (see below), whose sum is σ = 35915536176. Its totient is φ = 11031216768.

The previous prime is 20702016463. The next prime is 20702016499. The reversal of 20702016495 is 59461020702.

20702016495 is a `hidden beast` number, since 2 + 0 + 7 + 0 + 2 + 0 + 1 + 649 + 5 = 666.

It is not a de Polignac number, because 20702016495 - 2⁵ = 20702016463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20702016499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154294 + ... + 255363.

It is an arithmetic number, because the mean of its divisors is an integer number (1496480674).

Almost surely, 2^20702016495 is an apocalyptic number.

20702016495 is a deficient number, since it is larger than the sum of its proper divisors (15213519681).

20702016495 is a wasteful number, since it uses less digits than its factorization.

20702016495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410791 (or 410788 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 20702016495 in words is "twenty billion, seven hundred two million, sixteen thousand, four hundred ninety-five".