20201270043 has 8 divisors (see below), whose sum is σ = 26935744528. Its totient is φ = 13467154464.

The previous prime is 20201270039. The next prime is 20201270081. The reversal of 20201270043 is 34007210202.

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

It is not a de Polignac number, because 20201270043 - 2² = 20201270039 is a prime.

It is a super-2 number, since 2×20201270043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201270443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97305 + ... + 223317.

It is an arithmetic number, because the mean of its divisors is an integer number (3366968066).

Almost surely, 2^20201270043 is an apocalyptic number.

20201270043 is a deficient number, since it is larger than the sum of its proper divisors (6734474485).

20201270043 is a wasteful number, since it uses less digits than its factorization.

20201270043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179453.

The product of its (nonzero) digits is 672, while the sum is 21.

Adding to 20201270043 its reverse (34007210202), we get a palindrome (54208480245).

The spelling of 20201270043 in words is "twenty billion, two hundred one million, two hundred seventy thousand, forty-three".