20201200110987 has 64 divisors (see below), whose sum is σ = 32776654540800. Its totient is φ = 10810205308800.

The previous prime is 20201200110901. The next prime is 20201200110991. The reversal of 20201200110987 is 78901100210202.

It is not a de Polignac number, because 20201200110987 - 2⁸ = 20201200110731 is a prime.

It is a super-2 number, since 2×20201200110987² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201200110997) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24540168 + ... + 25349994.

It is an arithmetic number, because the mean of its divisors is an integer number (512135227200).

Almost surely, 2^{20201200110987} is an apocalyptic number.

20201200110987 is a deficient number, since it is larger than the sum of its proper divisors (12575454429813).

20201200110987 is a wasteful number, since it uses less digits than its factorization.

20201200110987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810576.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 20201200110987 in words is "twenty trillion, two hundred one billion, two hundred million, one hundred ten thousand, nine hundred eighty-seven".