20602062042064 has 10 divisors (see below), whose sum is σ = 39916495206530. Its totient is φ = 10301031021024.

The previous prime is 20602062042053. The next prime is 20602062042073. The reversal of 20602062042064 is 46024026020602.

It can be written as a sum of positive squares in only one way, i.e., 15570600321600 + 5031461720464 = 3945960^2 + 2243092^2 .

It is a super-3 number, since 3×20602062042064³ (a number of 41 digits) contains 333 as substring.

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, 643814438799 + ... + 643814438830.

It is an arithmetic number, because the mean of its divisors is an integer number (3991649520653).

Almost surely, 2^{20602062042064} is an apocalyptic number.

It is an amenable number.

20602062042064 is a deficient number, since it is larger than the sum of its proper divisors (19314433164466).

20602062042064 is a wasteful number, since it uses less digits than its factorization.

20602062042064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287628877637 (or 1287628877631 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 20602062042064 its reverse (46024026020602), we get a palindrome (66626088062666).

The spelling of 20602062042064 in words is "twenty trillion, six hundred two billion, sixty-two million, forty-two thousand, sixty-four".