20273047 has 2 divisors, whose sum is σ = 20273048. Its totient is φ = 20273046.

The previous prime is 20273041. The next prime is 20273053. The reversal of 20273047 is 74037202.

It is a balanced prime because it is at equal distance from previous prime (20273041) and next prime (20273053).

It is a cyclic number.

It is not a de Polignac number, because 20273047 - 2⁷ = 20272919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20273041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10136523 + 10136524.

It is an arithmetic number, because the mean of its divisors is an integer number (10136524).

Almost surely, 2^20273047 is an apocalyptic number.

20273047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20273047 is an equidigital number, since it uses as much as digits as its factorization.

20273047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 20273047 is about 4502.5600495718. The cubic root of 20273047 is about 272.6714550988.

It can be divided in two parts, 2027304 and 7, that multiplied together give a triangular number (14191128 = T₅₃₂₇).

The spelling of 20273047 in words is "twenty million, two hundred seventy-three thousand, forty-seven".