20202040153 has 2 divisors, whose sum is σ = 20202040154. Its totient is φ = 20202040152.

The previous prime is 20202040121. The next prime is 20202040237. The reversal of 20202040153 is 35104020202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19856191744 + 345848409 = 140912^2 + 18597^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202040153 - 2⁵ = 20202040121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20202040153.

It is not a weakly prime, because it can be changed into another prime (20202340153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101020076 + 10101020077.

It is an arithmetic number, because the mean of its divisors is an integer number (10101020077).

Almost surely, 2^20202040153 is an apocalyptic number.

It is an amenable number.

20202040153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202040153 is an equidigital number, since it uses as much as digits as its factorization.

20202040153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20202040153 its reverse (35104020202), we get a palindrome (55306060355).

The spelling of 20202040153 in words is "twenty billion, two hundred two million, forty thousand, one hundred fifty-three".