20042153011 has 8 divisors (see below), whose sum is σ = 20989057824. Its totient is φ = 19101540480.

The previous prime is 20042153003. The next prime is 20042153017. The reversal of 20042153011 is 11035124002.

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

It is not a de Polignac number, because 20042153011 - 2³ = 20042153003 is a prime.

It is a super-2 number, since 2×20042153011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20042153011.

It is not an unprimeable number, because it can be changed into a prime (20042153017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566550 + ... + 1579291.

It is an arithmetic number, because the mean of its divisors is an integer number (2623632228).

Almost surely, 2^20042153011 is an apocalyptic number.

20042153011 is a deficient number, since it is larger than the sum of its proper divisors (946904813).

20042153011 is a wasteful number, since it uses less digits than its factorization.

20042153011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146141.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20042153011 its reverse (11035124002), we get a palindrome (31077277013).

The spelling of 20042153011 in words is "twenty billion, forty-two million, one hundred fifty-three thousand, eleven".