20233023402 has 16 divisors (see below), whose sum is σ = 40610057472. Its totient is φ = 6720339360.

The previous prime is 20233023401. The next prime is 20233023403. The reversal of 20233023402 is 20432033202.

It is an interprime number because it is at equal distance from previous prime (20233023401) and next prime (20233023403).

It is not an unprimeable number, because it can be changed into a prime (20233023401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5998618 + ... + 6001989.

It is an arithmetic number, because the mean of its divisors is an integer number (2538128592).

Almost surely, 2^20233023402 is an apocalyptic number.

20233023402 is an abundant number, since it is smaller than the sum of its proper divisors (20377034070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20233023402 is a wasteful number, since it uses less digits than its factorization.

20233023402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12000893.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20233023402 its reverse (20432033202), we get a palindrome (40665056604).

The spelling of 20233023402 in words is "twenty billion, two hundred thirty-three million, twenty-three thousand, four hundred two".