203020042302 has 64 divisors (see below), whose sum is σ = 562479782400. Its totient is φ = 52732477440.

The previous prime is 203020042297. The next prime is 203020042307. The reversal of 203020042302 is 203240020302.

203020042302 is a `hidden beast` number, since 20 + 302 + 0 + 0 + 42 + 302 = 666.

It is an interprime number because it is at equal distance from previous prime (203020042297) and next prime (203020042307).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020042307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24409027 + ... + 24417342.

It is an arithmetic number, because the mean of its divisors is an integer number (8788746600).

Almost surely, 2^203020042302 is an apocalyptic number.

203020042302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203020042302 is an abundant number, since it is smaller than the sum of its proper divisors (359459740098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203020042302 is a wasteful number, since it uses less digits than its factorization.

203020042302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48826398 (or 48826392 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 203020042302 its reverse (203240020302), we get a palindrome (406260062604).

The spelling of 203020042302 in words is "two hundred three billion, twenty million, forty-two thousand, three hundred two".