20037612 has 48 divisors (see below), whose sum is σ = 53932032. Its totient is φ = 5671680.

The previous prime is 20037607. The next prime is 20037653. The reversal of 20037612 is 21673002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8437 + ... + 10547.

It is an arithmetic number, because the mean of its divisors is an integer number (1123584).

Almost surely, 2^20037612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20037612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26966016).

20037612 is an abundant number, since it is smaller than the sum of its proper divisors (33894420).

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

20037612 is a wasteful number, since it uses less digits than its factorization.

20037612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20037612 is about 4476.3391292439. The cubic root of 20037612 is about 271.6118128969.

The spelling of 20037612 in words is "twenty million, thirty-seven thousand, six hundred twelve".