20202432403 has 4 divisors (see below), whose sum is σ = 20410705000. Its totient is φ = 19994159808.

The previous prime is 20202432401. The next prime is 20202432427. The reversal of 20202432403 is 30423420202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20202432403 - 2¹ = 20202432401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202432401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104136153 + ... + 104136346.

It is an arithmetic number, because the mean of its divisors is an integer number (5102676250).

Almost surely, 2^20202432403 is an apocalyptic number.

20202432403 is a deficient number, since it is larger than the sum of its proper divisors (208272597).

20202432403 is an equidigital number, since it uses as much as digits as its factorization.

20202432403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208272596.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20202432403 its reverse (30423420202), we get a palindrome (50625852605).

The spelling of 20202432403 in words is "twenty billion, two hundred two million, four hundred thirty-two thousand, four hundred three".