20276071 has 4 divisors (see below), whose sum is σ = 20462200. Its totient is φ = 20089944.

The previous prime is 20276063. The next prime is 20276083. The reversal of 20276071 is 17067202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17067202 = 2 ⋅8533601.

It is a cyclic number.

It is not a de Polignac number, because 20276071 - 2³ = 20276063 is a prime.

It is a super-2 number, since 2×20276071² = 822238110394082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20276171) 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, 92901 + ... + 93118.

It is an arithmetic number, because the mean of its divisors is an integer number (5115550).

Almost surely, 2^20276071 is an apocalyptic number.

20276071 is a deficient number, since it is larger than the sum of its proper divisors (186129).

20276071 is a wasteful number, since it uses less digits than its factorization.

20276071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186128.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 20276071 is about 4502.8958460084. The cubic root of 20276071 is about 272.6850119737.

The spelling of 20276071 in words is "twenty million, two hundred seventy-six thousand, seventy-one".