20412698 has 8 divisors (see below), whose sum is σ = 31038708. Its totient is φ = 10066464.

The previous prime is 20412697. The next prime is 20412703. The reversal of 20412698 is 89621402.

It can be written as a sum of positive squares in 2 ways, for example, as 20403289 + 9409 = 4517^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20412697) 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, 69761 + ... + 70052.

Almost surely, 2^20412698 is an apocalyptic number.

20412698 is a deficient number, since it is larger than the sum of its proper divisors (10626010).

20412698 is a wasteful number, since it uses less digits than its factorization.

20412698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139888.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 20412698 is about 4518.0413898060. The cubic root of 20412698 is about 273.2961225701.

The spelling of 20412698 in words is "twenty million, four hundred twelve thousand, six hundred ninety-eight".