20035240242454 has 4 divisors (see below), whose sum is σ = 30052860363684. Its totient is φ = 10017620121226.

The previous prime is 20035240242403. The next prime is 20035240242467. The reversal of 20035240242454 is 45424204253002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5008810060612 + ... + 5008810060615.

It is an arithmetic number, because the mean of its divisors is an integer number (7513215090921).

Almost surely, 2^{20035240242454} is an apocalyptic number.

20035240242454 is a deficient number, since it is larger than the sum of its proper divisors (10017620121230).

20035240242454 is a wasteful number, since it uses less digits than its factorization.

20035240242454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017620121229.

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 20035240242454 its reverse (45424204253002), we get a palindrome (65459444495456).

The spelling of 20035240242454 in words is "twenty trillion, thirty-five billion, two hundred forty million, two hundred forty-two thousand, four hundred fifty-four".