20055150503 has 8 divisors (see below), whose sum is σ = 21177286320. Its totient is φ = 18939674880.

The previous prime is 20055150487. The next prime is 20055150523. The reversal of 20055150503 is 30505155002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20055150503 - 2⁴ = 20055150487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055150523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658858 + ... + 1670903.

It is an arithmetic number, because the mean of its divisors is an integer number (2647160790).

Almost surely, 2^20055150503 is an apocalyptic number.

20055150503 is a deficient number, since it is larger than the sum of its proper divisors (1122135817).

20055150503 is a wasteful number, since it uses less digits than its factorization.

20055150503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330097.

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 20055150503 in words is "twenty billion, fifty-five million, one hundred fifty thousand, five hundred three".