203020871 has 16 divisors (see below), whose sum is σ = 221890560. Its totient is φ = 185107680.

The previous prime is 203020861. The next prime is 203020897. The reversal of 203020871 is 178020302.

203020871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203020871 - 2¹⁸ = 202758727 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 (203020841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52610 + ... + 56336.

It is an arithmetic number, because the mean of its divisors is an integer number (13868160).

Almost surely, 2^203020871 is an apocalyptic number.

203020871 is a deficient number, since it is larger than the sum of its proper divisors (18869689).

203020871 is a wasteful number, since it uses less digits than its factorization.

203020871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 203020871 is about 14248.5392584644. The cubic root of 203020871 is about 587.7332067077.

The spelling of 203020871 in words is "two hundred three million, twenty thousand, eight hundred seventy-one".