20370012 has 48 divisors (see below), whose sum is σ = 54204192. Its totient is φ = 5898240.

The previous prime is 20370011. The next prime is 20370023. The reversal of 20370012 is 21007302.

It is a junction number, because it is equal to n+sod(n) for n = 20369973 and 20370000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20370011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (1129254).

Almost surely, 2^20370012 is an apocalyptic number.

It is an amenable number.

20370012 is an abundant number, since it is smaller than the sum of its proper divisors (33834180).

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

20370012 is a wasteful number, since it uses less digits than its factorization.

20370012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718 (or 7716 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20370012 is about 4513.3149679587. The cubic root of 20370012 is about 273.1054886246.

Adding to 20370012 its reverse (21007302), we get a palindrome (41377314).

The spelling of 20370012 in words is "twenty million, three hundred seventy thousand, twelve".