20572262153 has 2 divisors, whose sum is σ = 20572262154. Its totient is φ = 20572262152.

The previous prime is 20572262119. The next prime is 20572262201. The reversal of 20572262153 is 35126227502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12088562704 + 8483699449 = 109948^2 + 92107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20572262153 is a prime.

It is not a weakly prime, because it can be changed into another prime (20572162153) 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, 10286131076 + 10286131077.

It is an arithmetic number, because the mean of its divisors is an integer number (10286131077).

Almost surely, 2^20572262153 is an apocalyptic number.

It is an amenable number.

20572262153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20572262153 is an equidigital number, since it uses as much as digits as its factorization.

20572262153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 20572262153 its reverse (35126227502), we get a palindrome (55698489655).

The spelling of 20572262153 in words is "twenty billion, five hundred seventy-two million, two hundred sixty-two thousand, one hundred fifty-three".