20070492 has 24 divisors (see below), whose sum is σ = 50433936. Its totient is φ = 6175488.

The previous prime is 20070473. The next prime is 20070509. The reversal of 20070492 is 29407002.

It is a congruent number.

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, 64173 + ... + 64484.

It is an arithmetic number, because the mean of its divisors is an integer number (2101414).

Almost surely, 2^20070492 is an apocalyptic number.

It is an amenable number.

20070492 is an abundant number, since it is smaller than the sum of its proper divisors (30363444).

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

20070492 is a wasteful number, since it uses less digits than its factorization.

20070492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128677 (or 128675 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20070492 is about 4480.0102678454. The cubic root of 20070492 is about 271.7602955949.

Adding to 20070492 its reverse (29407002), we get a palindrome (49477494).

The spelling of 20070492 in words is "twenty million, seventy thousand, four hundred ninety-two".