20013653450435 has 32 divisors (see below), whose sum is σ = 24910434662400. Its totient is φ = 15425887974400.

The previous prime is 20013653450423. The next prime is 20013653450447. The reversal of 20013653450435 is 53405435631002.

It is an interprime number because it is at equal distance from previous prime (20013653450423) and next prime (20013653450447).

It is not a de Polignac number, because 20013653450435 - 2¹⁰ = 20013653449411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 20013653450392 and 20013653450401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3390590 + ... + 7177980.

It is an arithmetic number, because the mean of its divisors is an integer number (778451083200).

Almost surely, 2^{20013653450435} is an apocalyptic number.

20013653450435 is a deficient number, since it is larger than the sum of its proper divisors (4896781211965).

20013653450435 is a wasteful number, since it uses less digits than its factorization.

20013653450435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787759.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 20013653450435 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, four hundred fifty thousand, four hundred thirty-five".