20042101055 has 8 divisors (see below), whose sum is σ = 24184882800. Its totient is φ = 15944106496.

The previous prime is 20042100977. The next prime is 20042101063. The reversal of 20042101055 is 55010124002.

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

It is a cyclic number.

It is not a de Polignac number, because 20042101055 - 2²⁸ = 19773665599 is a prime.

It is a super-2 number, since 2×20042101055² (a number of 21 digits) contains 22 as substring.

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, 11195810 + ... + 11197599.

It is an arithmetic number, because the mean of its divisors is an integer number (3023110350).

Almost surely, 2^20042101055 is an apocalyptic number.

20042101055 is a deficient number, since it is larger than the sum of its proper divisors (4142781745).

20042101055 is a wasteful number, since it uses less digits than its factorization.

20042101055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22393593.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 20042101055 its reverse (55010124002), we get a palindrome (75052225057).

The spelling of 20042101055 in words is "twenty billion, forty-two million, one hundred one thousand, fifty-five".