20041551253 has 8 divisors (see below), whose sum is σ = 21121531200. Its totient is φ = 18964087488.

The previous prime is 20041551251. The next prime is 20041551323. The reversal of 20041551253 is 35215514002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20041551253 - 2¹ = 20041551251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041551251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612676 + ... + 644557.

It is an arithmetic number, because the mean of its divisors is an integer number (2640191400).

Almost surely, 2^20041551253 is an apocalyptic number.

It is an amenable number.

20041551253 is a deficient number, since it is larger than the sum of its proper divisors (1079979947).

20041551253 is a wasteful number, since it uses less digits than its factorization.

20041551253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258091.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 20041551253 in words is "twenty billion, forty-one million, five hundred fifty-one thousand, two hundred fifty-three".