20019248352 has 72 divisors (see below), whose sum is σ = 57292476696. Its totient is φ = 6630564096.

The previous prime is 20019248299. The next prime is 20019248363. The reversal of 20019248352 is 25384291002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176158 + ... + 266589.

It is an arithmetic number, because the mean of its divisors is an integer number (795728843).

Almost surely, 2^20019248352 is an apocalyptic number.

It is an amenable number.

20019248352 is an abundant number, since it is smaller than the sum of its proper divisors (37273228344).

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

20019248352 is a wasteful number, since it uses less digits than its factorization.

20019248352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442920 (or 442909 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 20019248352 in words is "twenty billion, nineteen million, two hundred forty-eight thousand, three hundred fifty-two".