20755603401358 has 16 divisors (see below), whose sum is σ = 35582373126144. Its totient is φ = 8894923919640.

The previous prime is 20755603401271. The next prime is 20755603401389. The reversal of 20755603401358 is 85310430655702.

It is a happy number.

It is a congruent 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, 27504510 + ... + 28249057.

It is an arithmetic number, because the mean of its divisors is an integer number (2223898320384).

Almost surely, 2^{20755603401358} is an apocalyptic number.

20755603401358 is a deficient number, since it is larger than the sum of its proper divisors (14826769724786).

20755603401358 is a wasteful number, since it uses less digits than its factorization.

20755603401358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55780167.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 20755603401358 in words is "twenty trillion, seven hundred fifty-five billion, six hundred three million, four hundred one thousand, three hundred fifty-eight".