20488419910 has 64 divisors (see below), whose sum is σ = 44388518400. Its totient is φ = 6651493632.

The previous prime is 20488419881. The next prime is 20488419937. The reversal of 20488419910 is 1991488402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5095881 + ... + 5099899.

It is an arithmetic number, because the mean of its divisors is an integer number (693570600).

Almost surely, 2^20488419910 is an apocalyptic number.

20488419910 is an abundant number, since it is smaller than the sum of its proper divisors (23900098490).

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

20488419910 is a wasteful number, since it uses less digits than its factorization.

20488419910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 20488419910 in words is "twenty billion, four hundred eighty-eight million, four hundred nineteen thousand, nine hundred ten".