20212041043 has 4 divisors (see below), whose sum is σ = 20276616568. Its totient is φ = 20147465520.

The previous prime is 20212041019. The next prime is 20212041121. The reversal of 20212041043 is 34014021202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20212041043 - 2²⁹ = 19675170131 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 20212041043.

It is not an unprimeable number, because it can be changed into a prime (20272041043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32287293 + ... + 32287918.

It is an arithmetic number, because the mean of its divisors is an integer number (5069154142).

Almost surely, 2^20212041043 is an apocalyptic number.

20212041043 is a deficient number, since it is larger than the sum of its proper divisors (64575525).

20212041043 is an equidigital number, since it uses as much as digits as its factorization.

20212041043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64575524.

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

Adding to 20212041043 its reverse (34014021202), we get a palindrome (54226062245).

The spelling of 20212041043 in words is "twenty billion, two hundred twelve million, forty-one thousand, forty-three".