20148967 has 2 divisors, whose sum is σ = 20148968. Its totient is φ = 20148966.

The previous prime is 20148959. The next prime is 20149009. The reversal of 20148967 is 76984102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20148967 - 2³ = 20148959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20148067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10074483 + 10074484.

It is an arithmetic number, because the mean of its divisors is an integer number (10074484).

Almost surely, 2^20148967 is an apocalyptic number.

20148967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20148967 is an equidigital number, since it uses as much as digits as its factorization.

20148967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 20148967 is about 4488.7600737843. The cubic root of 20148967 is about 272.1140264060.

It can be divided in two parts, 20148 and 967, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 20148967 in words is "twenty million, one hundred forty-eight thousand, nine hundred sixty-seven".