20071002 has 16 divisors (see below), whose sum is σ = 45876672. Its totient is φ = 5734560.

The previous prime is 20070997. The next prime is 20071027. The reversal of 20071002 is 20017002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238899 + ... + 238982.

It is an arithmetic number, because the mean of its divisors is an integer number (2867292).

Almost surely, 2^20071002 is an apocalyptic number.

20071002 is an abundant number, since it is smaller than the sum of its proper divisors (25805670).

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

20071002 is a wasteful number, since it uses less digits than its factorization.

20071002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477893.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 20071002 is about 4480.0671869962. The cubic root of 20071002 is about 271.7625974248.

Adding to 20071002 its reverse (20017002), we get a palindrome (40088004).

The spelling of 20071002 in words is "twenty million, seventy-one thousand, two".