20455544453635 has 8 divisors (see below), whose sum is σ = 24547401891936. Its totient is φ = 16363936531200.

The previous prime is 20455544453627. The next prime is 20455544453683. The reversal of 20455544453635 is 53635444555402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20455544453635 - 2³ = 20455544453627 is a prime.

It is a super-2 number, since 2×20455544453635² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62198559 + ... + 62526568.

It is an arithmetic number, because the mean of its divisors is an integer number (3068425236492).

Almost surely, 2^{20455544453635} is an apocalyptic number.

20455544453635 is a deficient number, since it is larger than the sum of its proper divisors (4091857438301).

20455544453635 is a wasteful number, since it uses less digits than its factorization.

20455544453635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124757933.

The product of its (nonzero) digits is 86400000, while the sum is 55.

The spelling of 20455544453635 in words is "twenty trillion, four hundred fifty-five billion, five hundred forty-four million, four hundred fifty-three thousand, six hundred thirty-five".