20234614242557 has 32 divisors (see below), whose sum is σ = 23998067178624. Its totient is φ = 16819474694400.

The previous prime is 20234614242509. The next prime is 20234614242637. The reversal of 20234614242557 is 75524241643202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20234614242557 is a prime.

It is a super-2 number, since 2×20234614242557² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234614248557) 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, 4812707 + ... + 7976927.

It is an arithmetic number, because the mean of its divisors is an integer number (749939599332).

Almost surely, 2^{20234614242557} is an apocalyptic number.

It is an amenable number.

20234614242557 is a deficient number, since it is larger than the sum of its proper divisors (3763452936067).

20234614242557 is a wasteful number, since it uses less digits than its factorization.

20234614242557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164669.

The product of its (nonzero) digits is 3225600, while the sum is 47.

Adding to 20234614242557 its reverse (75524241643202), we get a palindrome (95758855885759).

The spelling of 20234614242557 in words is "twenty trillion, two hundred thirty-four billion, six hundred fourteen million, two hundred forty-two thousand, five hundred fifty-seven".