20423410132 has 6 divisors (see below), whose sum is σ = 35740967738. Its totient is φ = 10211705064.

The previous prime is 20423410121. The next prime is 20423410153. The reversal of 20423410132 is 23101432402.

It can be written as a sum of positive squares in only one way, i.e., 11277165636 + 9146244496 = 106194^2 + 95636^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552926263 + ... + 2552926270.

Almost surely, 2^20423410132 is an apocalyptic number.

It is an amenable number.

20423410132 is a deficient number, since it is larger than the sum of its proper divisors (15317557606).

20423410132 is a wasteful number, since it uses less digits than its factorization.

20423410132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5105852537 (or 5105852535 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20423410132 its reverse (23101432402), we get a palindrome (43524842534).

The spelling of 20423410132 in words is "twenty billion, four hundred twenty-three million, four hundred ten thousand, one hundred thirty-two".