20146262303 has 4 divisors (see below), whose sum is σ = 20148186240. Its totient is φ = 20144338368.

The previous prime is 20146262293. The next prime is 20146262333. The reversal of 20146262303 is 30326264102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30326264102 = 2 ⋅15163132051.

It is a cyclic number.

It is not a de Polignac number, because 20146262303 - 2⁴ = 20146262287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146262333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946175 + ... + 967232.

It is an arithmetic number, because the mean of its divisors is an integer number (5037046560).

Almost surely, 2^20146262303 is an apocalyptic number.

20146262303 is a deficient number, since it is larger than the sum of its proper divisors (1923937).

20146262303 is a wasteful number, since it uses less digits than its factorization.

20146262303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923936.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 20146262303 in words is "twenty billion, one hundred forty-six million, two hundred sixty-two thousand, three hundred three".