20416126401002 has 4 divisors (see below), whose sum is σ = 30624189601506. Its totient is φ = 10208063200500.

The previous prime is 20416126400963. The next prime is 20416126401017. The reversal of 20416126401002 is 20010462161402.

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

It can be written as a sum of positive squares in only one way, i.e., 20041926266041 + 374200134961 = 4476821^2 + 611719^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5104031600249 + ... + 5104031600252.

Almost surely, 2^{20416126401002} is an apocalyptic number.

20416126401002 is a deficient number, since it is larger than the sum of its proper divisors (10208063200504).

20416126401002 is a wasteful number, since it uses less digits than its factorization.

20416126401002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208063200503.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 20416126401002 its reverse (20010462161402), we get a palindrome (40426588562404).

The spelling of 20416126401002 in words is "twenty trillion, four hundred sixteen billion, one hundred twenty-six million, four hundred one thousand, two".