20220420043 has 8 divisors (see below), whose sum is σ = 20774598480. Its totient is φ = 19666645920.

The previous prime is 20220420029. The next prime is 20220420047. The reversal of 20220420043 is 34002402202.

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 20220420043 - 2¹³ = 20220411851 is a prime.

It is a super-2 number, since 2×20220420043² (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 20220420043.

It is not an unprimeable number, because it can be changed into a prime (20220420047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728 + ... + 201106.

It is an arithmetic number, because the mean of its divisors is an integer number (2596824810).

Almost surely, 2^20220420043 is an apocalyptic number.

20220420043 is a deficient number, since it is larger than the sum of its proper divisors (554178437).

20220420043 is a wasteful number, since it uses less digits than its factorization.

20220420043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202157.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20220420043 its reverse (34002402202), we get a palindrome (54222822245).

The spelling of 20220420043 in words is "twenty billion, two hundred twenty million, four hundred twenty thousand, forty-three".