20422431111010 has 8 divisors (see below), whose sum is σ = 36760375999836. Its totient is φ = 8168972444400.

The previous prime is 20422431111001. The next prime is 20422431111029. The reversal of 20422431111010 is 1011113422402.

It can be written as a sum of positive squares in 2 ways, for example, as 17159751159489 + 3262679951521 = 4142433^2 + 1806289^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1021121555541 + ... + 1021121555560.

Almost surely, 2^{20422431111010} is an apocalyptic number.

20422431111010 is a deficient number, since it is larger than the sum of its proper divisors (16337944888826).

20422431111010 is a wasteful number, since it uses less digits than its factorization.

20422431111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042243111108.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20422431111010 its reverse (1011113422402), we get a palindrome (21433544533412).

The spelling of 20422431111010 in words is "twenty trillion, four hundred twenty-two billion, four hundred thirty-one million, one hundred eleven thousand, ten".