20373029 has 2 divisors, whose sum is σ = 20373030. Its totient is φ = 20373028.

The previous prime is 20373019. The next prime is 20373049. The reversal of 20373029 is 92037302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15984004 + 4389025 = 3998^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 20373029 - 2⁸ = 20372773 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20372989 and 20373007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20373019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186514 + 10186515.

It is an arithmetic number, because the mean of its divisors is an integer number (10186515).

Almost surely, 2^20373029 is an apocalyptic number.

It is an amenable number.

20373029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20373029 is an equidigital number, since it uses as much as digits as its factorization.

20373029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 20373029 is about 4513.6491888493. The cubic root of 20373029 is about 273.1189711659.

The spelling of 20373029 in words is "twenty million, three hundred seventy-three thousand, twenty-nine".