20140021043 has 8 divisors (see below), whose sum is σ = 20460514560. Its totient is φ = 19820112840.

The previous prime is 20140021021. The next prime is 20140021103. The reversal of 20140021043 is 34012004102.

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 20140021043 - 2¹⁴ = 20140004659 is a prime.

It is a super-2 number, since 2×20140021043² (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 (20140021003) 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, 76703 + ... + 214856.

It is an arithmetic number, because the mean of its divisors is an integer number (2557564320).

Almost surely, 2^20140021043 is an apocalyptic number.

20140021043 is a deficient number, since it is larger than the sum of its proper divisors (320493517).

20140021043 is a wasteful number, since it uses less digits than its factorization.

20140021043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292657.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20140021043 its reverse (34012004102), we get a palindrome (54152025145).

The spelling of 20140021043 in words is "twenty billion, one hundred forty million, twenty-one thousand, forty-three".