205001880038 has 16 divisors (see below), whose sum is σ = 312644572800. Its totient is φ = 100788105600.

The previous prime is 205001880029. The next prime is 205001880071. The reversal of 205001880038 is 830088100502.

It is a super-2 number, since 2×205001880038² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111563 + ... + 649961.

It is an arithmetic number, because the mean of its divisors is an integer number (19540285800).

Almost surely, 2^205001880038 is an apocalyptic number.

205001880038 is a deficient number, since it is larger than the sum of its proper divisors (107642692762).

205001880038 is a wasteful number, since it uses less digits than its factorization.

205001880038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541583.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 205001880038 in words is "two hundred five billion, one million, eight hundred eighty thousand, thirty-eight".