20573010 has 96 divisors (see below), whose sum is σ = 57620160. Its totient is φ = 5076864.

The previous prime is 20572931. The next prime is 20573011. The reversal of 20573010 is 1037502.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20573011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90517 + ... + 90743.

It is an arithmetic number, because the mean of its divisors is an integer number (600210).

Almost surely, 2^20573010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20573010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28810080).

20573010 is an abundant number, since it is smaller than the sum of its proper divisors (37047150).

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

20573010 is a wasteful number, since it uses less digits than its factorization.

20573010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 20573010 is about 4535.7480088735. The cubic root of 20573010 is about 274.0097053766.

The spelling of 20573010 in words is "twenty million, five hundred seventy-three thousand, ten".