203140021432 has 8 divisors (see below), whose sum is σ = 380887540200. Its totient is φ = 101570010712.

The previous prime is 203140021361. The next prime is 203140021453. The reversal of 203140021432 is 234120041302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12696251332 + ... + 12696251347.

It is an arithmetic number, because the mean of its divisors is an integer number (47610942525).

Almost surely, 2^203140021432 is an apocalyptic number.

It is an amenable number.

203140021432 is a deficient number, since it is larger than the sum of its proper divisors (177747518768).

203140021432 is a wasteful number, since it uses less digits than its factorization.

203140021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25392502685 (or 25392502681 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203140021432 its reverse (234120041302), we get a palindrome (437260062734).

The spelling of 203140021432 in words is "two hundred three billion, one hundred forty million, twenty-one thousand, four hundred thirty-two".