203021025342 has 64 divisors (see below), whose sum is σ = 416902785024. Its totient is φ = 65874785760.

The previous prime is 203021025329. The next prime is 203021025353. The reversal of 203021025342 is 243520120302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140304063 + ... + 140305509.

It is an arithmetic number, because the mean of its divisors is an integer number (6514106016).

Almost surely, 2^203021025342 is an apocalyptic number.

203021025342 is an abundant number, since it is smaller than the sum of its proper divisors (213881759682).

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

203021025342 is a wasteful number, since it uses less digits than its factorization.

203021025342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 203021025342 its reverse (243520120302), we get a palindrome (446541145644).

The spelling of 203021025342 in words is "two hundred three billion, twenty-one million, twenty-five thousand, three hundred forty-two".