20370674 has 4 divisors (see below), whose sum is σ = 30556014. Its totient is φ = 10185336.

The previous prime is 20370659. The next prime is 20370697. The reversal of 20370674 is 47607302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47607302 = 2 ⋅23803651.

It can be written as a sum of positive squares in only one way, i.e., 20205025 + 165649 = 4495^2 + 407^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5092667 + ... + 5092670.

Almost surely, 2^20370674 is an apocalyptic number.

20370674 is a deficient number, since it is larger than the sum of its proper divisors (10185340).

20370674 is a wasteful number, since it uses less digits than its factorization.

20370674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185339.

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

The square root of 20370674 is about 4513.3883059183. The cubic root of 20370674 is about 273.1084471219.

Adding to 20370674 its reverse (47607302), we get a palindrome (67977976).

The spelling of 20370674 in words is "twenty million, three hundred seventy thousand, six hundred seventy-four".