20354011020003 has 16 divisors (see below), whose sum is σ = 27306974532096. Its totient is φ = 13485228535680.

The previous prime is 20354011019957. The next prime is 20354011020019. The reversal of 20354011020003 is 30002011045302.

It is not a de Polignac number, because 20354011020003 - 2⁹ = 20354011019491 is a prime.

It is a super-2 number, since 2×20354011020003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20354011020073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937551 + ... + 6667992.

It is an arithmetic number, because the mean of its divisors is an integer number (1706685908256).

Almost surely, 2^{20354011020003} is an apocalyptic number.

20354011020003 is a deficient number, since it is larger than the sum of its proper divisors (6952963512093).

20354011020003 is a wasteful number, since it uses less digits than its factorization.

20354011020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610434.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20354011020003 its reverse (30002011045302), we get a palindrome (50356022065305).

The spelling of 20354011020003 in words is "twenty trillion, three hundred fifty-four billion, eleven million, twenty thousand, three".