20888068361 has 8 divisors (see below), whose sum is σ = 21988821600. Its totient is φ = 19787453280.

The previous prime is 20888068349. The next prime is 20888068489. The reversal of 20888068361 is 16386088802.

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

It is a cyclic number.

It is not a de Polignac number, because 20888068361 - 2²² = 20883874057 is a prime.

It is a super-2 number, since 2×20888068361² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20888064361) 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, 450806 + ... + 494976.

It is an arithmetic number, because the mean of its divisors is an integer number (2748602700).

Almost surely, 2^20888068361 is an apocalyptic number.

It is an amenable number.

20888068361 is a deficient number, since it is larger than the sum of its proper divisors (1100753239).

20888068361 is a wasteful number, since it uses less digits than its factorization.

20888068361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69079.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 20888068361 in words is "twenty billion, eight hundred eighty-eight million, sixty-eight thousand, three hundred sixty-one".