20214001243 has 8 divisors (see below), whose sum is σ = 20373621840. Its totient is φ = 20054461440.

The previous prime is 20214001211. The next prime is 20214001273. The reversal of 20214001243 is 34210041202.

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 20214001243 - 2⁵ = 20214001211 is a prime.

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 20214001243.

It is not an unprimeable number, because it can be changed into a prime (20214001273) 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, 543871 + ... + 579847.

It is an arithmetic number, because the mean of its divisors is an integer number (2546702730).

Almost surely, 2^20214001243 is an apocalyptic number.

20214001243 is a deficient number, since it is larger than the sum of its proper divisors (159620597).

20214001243 is a wasteful number, since it uses less digits than its factorization.

20214001243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40397.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20214001243 its reverse (34210041202), we get a palindrome (54424042445).

The spelling of 20214001243 in words is "twenty billion, two hundred fourteen million, one thousand, two hundred forty-three".