20573350 has 48 divisors (see below), whose sum is σ = 44782848. Its totient is φ = 6884640.

The previous prime is 20573347. The next prime is 20573351. The reversal of 20573350 is 5337502.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20573351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14367 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (932976).

Almost surely, 2^20573350 is an apocalyptic number.

20573350 is an abundant number, since it is smaller than the sum of its proper divisors (24209498).

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

20573350 is a wasteful number, since it uses less digits than its factorization.

20573350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 20573350 is about 4535.7854887550. The cubic root of 20573350 is about 274.0112148428.

The spelling of 20573350 in words is "twenty million, five hundred seventy-three thousand, three hundred fifty".