20878445027 has 8 divisors (see below), whose sum is σ = 22787550720. Its totient is φ = 18971183560.

The previous prime is 20878445011. The next prime is 20878445041. The reversal of 20878445027 is 72054487802.

It is a happy number.

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 20878445027 - 2⁴ = 20878445011 is a prime.

It is a super-3 number, since 3×20878445027³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20878405027) 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, 437327 + ... + 482712.

It is an arithmetic number, because the mean of its divisors is an integer number (2848443840).

Almost surely, 2^20878445027 is an apocalyptic number.

20878445027 is a deficient number, since it is larger than the sum of its proper divisors (1909105693).

20878445027 is a wasteful number, since it uses less digits than its factorization.

20878445027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922113.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The spelling of 20878445027 in words is "twenty billion, eight hundred seventy-eight million, four hundred forty-five thousand, twenty-seven".