20674370 has 8 divisors (see below), whose sum is σ = 37213884. Its totient is φ = 8269744.

The previous prime is 20674369. The next prime is 20674393. The reversal of 20674370 is 7347602.

It can be written as a sum of positive squares in 2 ways, for example, as 20421361 + 253009 = 4519^2 + 503^2 .

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, 1033709 + ... + 1033728.

Almost surely, 2^20674370 is an apocalyptic number.

20674370 is a deficient number, since it is larger than the sum of its proper divisors (16539514).

20674370 is a wasteful number, since it uses less digits than its factorization.

20674370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067444.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20674370 is about 4546.9077404320. The cubic root of 20674370 is about 274.4589693407.

The spelling of 20674370 in words is "twenty million, six hundred seventy-four thousand, three hundred seventy".