20213202043 has 24 divisors (see below), whose sum is σ = 21289748480. Its totient is φ = 19187007840.

The previous prime is 20213201999. The next prime is 20213202059. The reversal of 20213202043 is 34020231202.

It is not a de Polignac number, because 20213202043 - 2⁹ = 20213201531 is a prime.

It is a super-2 number, since 2×20213202043² (a number of 21 digits) contains 22 as substring.

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 20213202043.

It is not an unprimeable number, because it can be changed into a prime (20213202643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20396278 + ... + 20397268.

Almost surely, 2^20213202043 is an apocalyptic number.

20213202043 is a deficient number, since it is larger than the sum of its proper divisors (1076546437).

20213202043 is an equidigital number, since it uses as much as digits as its factorization.

20213202043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20213202043 its reverse (34020231202), we get a palindrome (54233433245).

The spelling of 20213202043 in words is "twenty billion, two hundred thirteen million, two hundred two thousand, forty-three".