20455135060354 has 8 divisors (see below), whose sum is σ = 31335526050048. Its totient is φ = 10009959710340.

The previous prime is 20455135060337. The next prime is 20455135060411. The reversal of 20455135060354 is 45306053155402.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20455135060354.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108803909802 + ... + 108803909989.

It is an arithmetic number, because the mean of its divisors is an integer number (3916940756256).

Almost surely, 2^{20455135060354} is an apocalyptic number.

20455135060354 is a deficient number, since it is larger than the sum of its proper divisors (10880390989694).

20455135060354 is a wasteful number, since it uses less digits than its factorization.

20455135060354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217607819840.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 20455135060354 in words is "twenty trillion, four hundred fifty-five billion, one hundred thirty-five million, sixty thousand, three hundred fifty-four".