20473402 has 8 divisors (see below), whose sum is σ = 31026996. Its totient is φ = 10131072.

The previous prime is 20473399. The next prime is 20473421. The reversal of 20473402 is 20437402.

It can be written as a sum of positive squares in 2 ways, for example, as 19368801 + 1104601 = 4401^2 + 1051^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52573 + ... + 52960.

Almost surely, 2^20473402 is an apocalyptic number.

20473402 is a deficient number, since it is larger than the sum of its proper divisors (10553594).

20473402 is a wasteful number, since it uses less digits than its factorization.

20473402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105632.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 20473402 is about 4524.7543579735. The cubic root of 20473402 is about 273.5667670070.

The spelling of 20473402 in words is "twenty million, four hundred seventy-three thousand, four hundred two".