20210412143 has 16 divisors (see below), whose sum is σ = 21084935040. Its totient is φ = 19356370176.

The previous prime is 20210412137. The next prime is 20210412151. The reversal of 20210412143 is 34121401202.

It is a cyclic number.

It is not a de Polignac number, because 20210412143 - 2⁸ = 20210411887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210412193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958571 + ... + 979427.

It is an arithmetic number, because the mean of its divisors is an integer number (1317808440).

Almost surely, 2^20210412143 is an apocalyptic number.

20210412143 is a deficient number, since it is larger than the sum of its proper divisors (874522897).

20210412143 is a wasteful number, since it uses less digits than its factorization.

20210412143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21346.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20210412143 its reverse (34121401202), we get a palindrome (54331813345).

The spelling of 20210412143 in words is "twenty billion, two hundred ten million, four hundred twelve thousand, one hundred forty-three".