100206106004 has 6 divisors (see below), whose sum is σ = 175360685514. Its totient is φ = 50103053000.

The previous prime is 100206105973. The next prime is 100206106009. The reversal of 100206106004 is 400601602001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 98910250000 + 1295856004 = 314500^2 + 35998^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100206106009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525763247 + ... + 12525763254.

It is an arithmetic number, because the mean of its divisors is an integer number (29226780919).

Almost surely, 2^100206106004 is an apocalyptic number.

It is an amenable number.

100206106004 is a deficient number, since it is larger than the sum of its proper divisors (75154579510).

100206106004 is a wasteful number, since it uses less digits than its factorization.

100206106004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25051526505 (or 25051526503 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100206106004 its reverse (400601602001), we get a palindrome (500807708005).

The spelling of 100206106004 in words is "one hundred billion, two hundred six million, one hundred six thousand, four".