20000153 has 2 divisors, whose sum is σ = 20000154. Its totient is φ = 20000152.

The previous prime is 20000147. The next prime is 20000159. The reversal of 20000153 is 35100002.

It is a balanced prime because it is at equal distance from previous prime (20000147) and next prime (20000159).

It can be written as a sum of positive squares in only one way, i.e., 19998784 + 1369 = 4472^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000153 - 2⁸ = 19999897 is a prime.

It is a super-2 number, since 2×20000153² = 800012240046818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20000159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000076 + 10000077.

It is an arithmetic number, because the mean of its divisors is an integer number (10000077).

Almost surely, 2^20000153 is an apocalyptic number.

It is an amenable number.

20000153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000153 is an equidigital number, since it uses as much as digits as its factorization.

20000153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 20000153 is about 4472.1530608869. The cubic root of 20000153 is about 271.4424538342.

Adding to 20000153 its reverse (35100002), we get a palindrome (55100155).

The spelling of 20000153 in words is "twenty million, one hundred fifty-three", and thus it is an aban number.