20150622043 has 2 divisors, whose sum is σ = 20150622044. Its totient is φ = 20150622042.

The previous prime is 20150622017. The next prime is 20150622091. The reversal of 20150622043 is 34022605102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20150622043 - 2⁹ = 20150621531 is a prime.

It is a super-3 number, since 3×20150622043³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20150621999 and 20150622017.

It is not a weakly prime, because it can be changed into another prime (20150622143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10075311021 + 10075311022.

It is an arithmetic number, because the mean of its divisors is an integer number (10075311022).

Almost surely, 2^20150622043 is an apocalyptic number.

20150622043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20150622043 is an equidigital number, since it uses as much as digits as its factorization.

20150622043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 20150622043 in words is "twenty billion, one hundred fifty million, six hundred twenty-two thousand, forty-three".