20133020953 has 2 divisors, whose sum is σ = 20133020954. Its totient is φ = 20133020952.

The previous prime is 20133020923. The next prime is 20133021019. The reversal of 20133020953 is 35902033102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17685542169 + 2447478784 = 132987^2 + 49472^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133020953 - 2¹³ = 20133012761 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133020923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066510476 + 10066510477.

It is an arithmetic number, because the mean of its divisors is an integer number (10066510477).

Almost surely, 2^20133020953 is an apocalyptic number.

It is an amenable number.

20133020953 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133020953 is an equidigital number, since it uses as much as digits as its factorization.

20133020953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The spelling of 20133020953 in words is "twenty billion, one hundred thirty-three million, twenty thousand, nine hundred fifty-three".