20988272409963 has 8 divisors (see below), whose sum is σ = 27984405298176. Its totient is φ = 13992160564200.

The previous prime is 20988272409961. The next prime is 20988272410051. The reversal of 20988272409963 is 36990427288902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20988272409963 - 2¹ = 20988272409961 is a prime.

It is a super-2 number, since 2×20988272409963² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20988272409961) 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, 2764023 + ... + 7043888.

It is an arithmetic number, because the mean of its divisors is an integer number (3498050662272).

Almost surely, 2^{20988272409963} is an apocalyptic number.

20988272409963 is a deficient number, since it is larger than the sum of its proper divisors (6996132888213).

20988272409963 is an equidigital number, since it uses as much as digits as its factorization.

20988272409963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521225.

The product of its (nonzero) digits is 188116992, while the sum is 69.

The spelling of 20988272409963 in words is "twenty trillion, nine hundred eighty-eight billion, two hundred seventy-two million, four hundred nine thousand, nine hundred sixty-three".