20010719484 has 72 divisors (see below), whose sum is σ = 58177068768. Its totient is φ = 5680920960.

The previous prime is 20010719473. The next prime is 20010719537. The reversal of 20010719484 is 48491701002.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 213327 + ... + 292454.

It is an arithmetic number, because the mean of its divisors is an integer number (808014844).

Almost surely, 2^20010719484 is an apocalyptic number.

It is an amenable number.

20010719484 is an abundant number, since it is smaller than the sum of its proper divisors (38166349284).

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

20010719484 is a wasteful number, since it uses less digits than its factorization.

20010719484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505955 (or 505950 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 20010719484 in words is "twenty billion, ten million, seven hundred nineteen thousand, four hundred eighty-four".