2820202668747 has 96 divisors (see below), whose sum is σ = 4376576655360. Its totient is φ = 1746869158080.

The previous prime is 2820202668719. The next prime is 2820202668763. The reversal of 2820202668747 is 7478662020282.

2820202668747 is a `hidden beast` number, since 282 + 0 + 20 + 266 + 87 + 4 + 7 = 666.

It is not a de Polignac number, because 2820202668747 - 2¹⁵ = 2820202635979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2820202668693 and 2820202668702.

It is not an unprimeable number, because it can be changed into a prime (2820202688747) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 389150878 + ... + 389158124.

It is an arithmetic number, because the mean of its divisors is an integer number (45589340160).

Almost surely, 2^{2820202668747} is an apocalyptic number.

2820202668747 is a deficient number, since it is larger than the sum of its proper divisors (1556373986613).

2820202668747 is a wasteful number, since it uses less digits than its factorization.

2820202668747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893 (or 7890 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 2820202668747 in words is "two trillion, eight hundred twenty billion, two hundred two million, six hundred sixty-eight thousand, seven hundred forty-seven".