20242011551 has 8 divisors (see below), whose sum is σ = 21396537600. Its totient is φ = 19096401240.

The previous prime is 20242011547. The next prime is 20242011553. The reversal of 20242011551 is 15511024202.

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 20242011551 - 2² = 20242011547 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 (20242011553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224265 + ... + 2233346.

It is an arithmetic number, because the mean of its divisors is an integer number (2674567200).

Almost surely, 2^20242011551 is an apocalyptic number.

20242011551 is a deficient number, since it is larger than the sum of its proper divisors (1154526049).

20242011551 is a wasteful number, since it uses less digits than its factorization.

20242011551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457869.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 20242011551 its reverse (15511024202), we get a palindrome (35753035753).

The spelling of 20242011551 in words is "twenty billion, two hundred forty-two million, eleven thousand, five hundred fifty-one".