20474350 has 36 divisors (see below), whose sum is σ = 41254056. Its totient is φ = 7556640.

The previous prime is 20474317. The next prime is 20474359. The reversal of 20474350 is 5347402.

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 (20474359) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7239 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (1145946).

Almost surely, 2^20474350 is an apocalyptic number.

20474350 is an abundant number, since it is smaller than the sum of its proper divisors (20779706).

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

20474350 is a wasteful number, since it uses less digits than its factorization.

20474350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 20474350 is about 4524.8591138288. The cubic root of 20474350 is about 273.5709893519.

The spelling of 20474350 in words is "twenty million, four hundred seventy-four thousand, three hundred fifty".