20035315454 has 32 divisors (see below), whose sum is σ = 37506067200. Its totient is φ = 7798170240.

The previous prime is 20035315361. The next prime is 20035315457. The reversal of 20035315454 is 45451353002.

It is a happy number.

It is a super-2 number, since 2×20035315454² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20035315454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20035315457) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 90917 + ... + 219855.

It is an arithmetic number, because the mean of its divisors is an integer number (1172064600).

Almost surely, 2^20035315454 is an apocalyptic number.

20035315454 is a deficient number, since it is larger than the sum of its proper divisors (17470751746).

20035315454 is a wasteful number, since it uses less digits than its factorization.

20035315454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129968.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 20035315454 its reverse (45451353002), we get a palindrome (65486668456).

The spelling of 20035315454 in words is "twenty billion, thirty-five million, three hundred fifteen thousand, four hundred fifty-four".