20075553502 has 4 divisors (see below), whose sum is σ = 30113330256. Its totient is φ = 10037776750.

The previous prime is 20075553497. The next prime is 20075553523. The reversal of 20075553502 is 20535557002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20535557002 = 2 ⋅10267778501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018888374 + ... + 5018888377.

It is an arithmetic number, because the mean of its divisors is an integer number (7528332564).

Almost surely, 2^20075553502 is an apocalyptic number.

20075553502 is a deficient number, since it is larger than the sum of its proper divisors (10037776754).

20075553502 is a wasteful number, since it uses less digits than its factorization.

20075553502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037776753.

The product of its (nonzero) digits is 52500, while the sum is 34.

The spelling of 20075553502 in words is "twenty billion, seventy-five million, five hundred fifty-three thousand, five hundred two".