20070474 has 16 divisors (see below), whose sum is σ = 40691712. Its totient is φ = 6598368.

The previous prime is 20070473. The next prime is 20070509. The reversal of 20070474 is 47407002.

It is not an unprimeable number, because it can be changed into a prime (20070473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22474 + ... + 23349.

It is an arithmetic number, because the mean of its divisors is an integer number (2543232).

Almost surely, 2^20070474 is an apocalyptic number.

20070474 is an abundant number, since it is smaller than the sum of its proper divisors (20621238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20070474 is a wasteful number, since it uses less digits than its factorization.

20070474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45901.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 20070474 is about 4480.0082589210. The cubic root of 20070474 is about 271.7602143531.

Adding to 20070474 its reverse (47407002), we get a palindrome (67477476).

The spelling of 20070474 in words is "twenty million, seventy thousand, four hundred seventy-four".