20416002351604 has 12 divisors (see below), whose sum is σ = 35730170483364. Its totient is φ = 10207382213504.

The previous prime is 20416002351571. The next prime is 20416002351607. The reversal of 20416002351604 is 40615320061402.

It can be written as a sum of positive squares in 2 ways, for example, as 407110354704 + 20008891996900 = 638052^2 + 4473130^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20416002351604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416002351607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154666357 + ... + 154798300.

It is an arithmetic number, because the mean of its divisors is an integer number (2977514206947).

Almost surely, 2^{20416002351604} is an apocalyptic number.

It is an amenable number.

20416002351604 is a deficient number, since it is larger than the sum of its proper divisors (15314168131760).

20416002351604 is a wasteful number, since it uses less digits than its factorization.

20416002351604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309481154 (or 309481152 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 20416002351604 in words is "twenty trillion, four hundred sixteen billion, two million, three hundred fifty-one thousand, six hundred four".