20908014770 has 16 divisors (see below), whose sum is σ = 39615186240. Its totient is φ = 7923037104.

The previous prime is 20908014769. The next prime is 20908014851. The reversal of 20908014770 is 7741080902.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55020902 + ... + 55021281.

It is an arithmetic number, because the mean of its divisors is an integer number (2475949140).

Almost surely, 2^20908014770 is an apocalyptic number.

20908014770 is a deficient number, since it is larger than the sum of its proper divisors (18707171470).

20908014770 is a wasteful number, since it uses less digits than its factorization.

20908014770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110042209.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 20908014770 in words is "twenty billion, nine hundred eight million, fourteen thousand, seven hundred seventy".