19762848820 has 96 divisors (see below), whose sum is σ = 49677909120. Its totient is φ = 6508469760.

The previous prime is 19762848811. The next prime is 19762848821. The reversal of 19762848820 is 2884826791.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19762848821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86391 + ... + 216769.

It is an arithmetic number, because the mean of its divisors is an integer number (517478220).

Almost surely, 2^19762848820 is an apocalyptic number.

19762848820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19762848820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24838954560).

19762848820 is an abundant number, since it is smaller than the sum of its proper divisors (29915060300).

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

19762848820 is a wasteful number, since it uses less digits than its factorization.

19762848820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130465 (or 130463 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 19762848820 in words is "nineteen billion, seven hundred sixty-two million, eight hundred forty-eight thousand, eight hundred twenty".