20200020623 has 2 divisors, whose sum is σ = 20200020624. Its totient is φ = 20200020622.

The previous prime is 20200020553. The next prime is 20200020647. The reversal of 20200020623 is 32602000202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20200020623 - 2⁸ = 20200020367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100010311 + 10100010312.

It is an arithmetic number, because the mean of its divisors is an integer number (10100010312).

Almost surely, 2^20200020623 is an apocalyptic number.

20200020623 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200020623 is an equidigital number, since it uses as much as digits as its factorization.

20200020623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20200020623 its reverse (32602000202), we get a palindrome (52802020825).

The spelling of 20200020623 in words is "twenty billion, two hundred million, twenty thousand, six hundred twenty-three".