20214043401 has 16 divisors (see below), whose sum is σ = 27033117120. Its totient is φ = 13435537920.

The previous prime is 20214043397. The next prime is 20214043439. The reversal of 20214043401 is 10434041202.

It is not a de Polignac number, because 20214043401 - 2² = 20214043397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20214043441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2954881 + ... + 2961713.

It is an arithmetic number, because the mean of its divisors is an integer number (1689569820).

Almost surely, 2^20214043401 is an apocalyptic number.

It is an amenable number.

20214043401 is a deficient number, since it is larger than the sum of its proper divisors (6819073719).

20214043401 is a wasteful number, since it uses less digits than its factorization.

20214043401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9656.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20214043401 its reverse (10434041202), we get a palindrome (30648084603).

The spelling of 20214043401 in words is "twenty billion, two hundred fourteen million, forty-three thousand, four hundred one".