2020763137645 has 16 divisors (see below), whose sum is σ = 2866895487360. Its totient is φ = 1337884559424.

The previous prime is 2020763137643. The next prime is 2020763137651. The reversal of 2020763137645 is 5467313670202.

It is not a de Polignac number, because 2020763137645 - 2¹ = 2020763137643 is a prime.

It is a super-3 number, since 3×2020763137645³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2020763137595 and 2020763137604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020763137643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995448807 + ... + 995450836.

It is an arithmetic number, because the mean of its divisors is an integer number (179180967960).

Almost surely, 2^{2020763137645} is an apocalyptic number.

It is an amenable number.

2020763137645 is a deficient number, since it is larger than the sum of its proper divisors (846132349715).

2020763137645 is a wasteful number, since it uses less digits than its factorization.

2020763137645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990899684.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 2020763137645 in words is "two trillion, twenty billion, seven hundred sixty-three million, one hundred thirty-seven thousand, six hundred forty-five".