20041251552 has 96 divisors (see below), whose sum is σ = 66804192000. Its totient is φ = 5726070144.

The previous prime is 20041251491. The next prime is 20041251553. The reversal of 20041251552 is 25515214002.

20041251552 is a `hidden beast` number, since 20 + 0 + 41 + 2 + 51 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041251553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1650802 + ... + 1662897.

It is an arithmetic number, because the mean of its divisors is an integer number (695877000).

Almost surely, 2^20041251552 is an apocalyptic number.

It is an amenable number.

20041251552 is an abundant number, since it is smaller than the sum of its proper divisors (46762940448).

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

20041251552 is a wasteful number, since it uses less digits than its factorization.

20041251552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313725 (or 3313711 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 20041251552 its reverse (25515214002), we get a palindrome (45556465554).

The spelling of 20041251552 in words is "twenty billion, forty-one million, two hundred fifty-one thousand, five hundred fifty-two".