20270374 has 4 divisors (see below), whose sum is σ = 30405564. Its totient is φ = 10135186.

The previous prime is 20270357. The next prime is 20270389. The reversal of 20270374 is 47307202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5067592 + ... + 5067595.

It is an arithmetic number, because the mean of its divisors is an integer number (7601391).

Almost surely, 2^20270374 is an apocalyptic number.

20270374 is a deficient number, since it is larger than the sum of its proper divisors (10135190).

20270374 is a wasteful number, since it uses less digits than its factorization.

20270374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135189.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 20270374 is about 4502.2632086541. The cubic root of 20270374 is about 272.6594706672.

Adding to 20270374 its reverse (47307202), we get a palindrome (67577576).

The spelling of 20270374 in words is "twenty million, two hundred seventy thousand, three hundred seventy-four".