20228808687000 has 64 divisors (see below), whose sum is σ = 63113883112800. Its totient is φ = 5394348982400.

The previous prime is 20228808686987. The next prime is 20228808687007. The reversal of 20228808687000 is 78680882202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20228808687007) 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, 3371465115 + ... + 3371471114.

Almost surely, 2^{20228808687000} is an apocalyptic number.

20228808687000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20228808687000 is an abundant number, since it is smaller than the sum of its proper divisors (42885074425800).

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

20228808687000 is a wasteful number, since it uses less digits than its factorization.

20228808687000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742936253 (or 6742936239 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 20228808687000 in words is "twenty trillion, two hundred twenty-eight billion, eight hundred eight million, six hundred eighty-seven thousand".