20880660270 has 32 divisors (see below), whose sum is σ = 50128329888. Its totient is φ = 5566537728.

The previous prime is 20880660233. The next prime is 20880660341. The reversal of 20880660270 is 7206608802.

It is a super-2 number, since 2×20880660270² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042 + ... + 204378.

It is an arithmetic number, because the mean of its divisors is an integer number (1566510309).

Almost surely, 2^20880660270 is an apocalyptic number.

20880660270 is an abundant number, since it is smaller than the sum of its proper divisors (29247669618).

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

20880660270 is a wasteful number, since it uses less digits than its factorization.

20880660270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204804.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 20880660270 in words is "twenty billion, eight hundred eighty million, six hundred sixty thousand, two hundred seventy".