19700104 has 8 divisors (see below), whose sum is σ = 36937710. Its totient is φ = 9850048.

The previous prime is 19700099. The next prime is 19700111. The reversal of 19700104 is 40100791.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 252004 = 4410^2 + 502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×19700104² = 776188195221632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1231249 + ... + 1231264.

Almost surely, 2^19700104 is an apocalyptic number.

It is an amenable number.

19700104 is a deficient number, since it is larger than the sum of its proper divisors (17237606).

19700104 is a wasteful number, since it uses less digits than its factorization.

19700104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462519 (or 2462515 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 19700104 is about 4438.4799199726. The cubic root of 19700104 is about 270.0781849478.

Adding to 19700104 its reverse (40100791), we get a palindrome (59800895).

The spelling of 19700104 in words is "nineteen million, seven hundred thousand, one hundred four".