20228432403 has 16 divisors (see below), whose sum is σ = 29625166080. Its totient is φ = 12220379424.

The previous prime is 20228432381. The next prime is 20228432407. The reversal of 20228432403 is 30423482202.

It is a happy number.

It is not a de Polignac number, because 20228432403 - 2¹² = 20228428307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20228432407) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 7713576 + ... + 7716197.

It is an arithmetic number, because the mean of its divisors is an integer number (1851572880).

Almost surely, 2^20228432403 is an apocalyptic number.

20228432403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20228432403 is a deficient number, since it is larger than the sum of its proper divisors (9396733677).

20228432403 is a wasteful number, since it uses less digits than its factorization.

20228432403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15429818.

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 20228432403 in words is "twenty billion, two hundred twenty-eight million, four hundred thirty-two thousand, four hundred three".