20266620000620 has 24 divisors (see below), whose sum is σ = 48639888001824. Its totient is φ = 6948555428736.

The previous prime is 20266620000553. The next prime is 20266620000629. The reversal of 20266620000620 is 2600002666202.

It is not an unprimeable number, because it can be changed into a prime (20266620000629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72380785577 + ... + 72380785856.

It is an arithmetic number, because the mean of its divisors is an integer number (2026662000076).

Almost surely, 2^{20266620000620} is an apocalyptic number.

20266620000620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20266620000620 is an abundant number, since it is smaller than the sum of its proper divisors (28373268001204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20266620000620 is a wasteful number, since it uses less digits than its factorization.

20266620000620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144761571449 (or 144761571447 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 20266620000620 its reverse (2600002666202), we get a palindrome (22866622666822).

The spelling of 20266620000620 in words is "twenty trillion, two hundred sixty-six billion, six hundred twenty million, six hundred twenty", and thus it is an aban number.