20474115 has 32 divisors (see below), whose sum is σ = 34752000. Its totient is φ = 10292832.

The previous prime is 20474053. The next prime is 20474119. The reversal of 20474115 is 51147402.

It is not a de Polignac number, because 20474115 - 2¹² = 20470019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20474119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102786 + ... + 102984.

It is an arithmetic number, because the mean of its divisors is an integer number (1086000).

Almost surely, 2^20474115 is an apocalyptic number.

20474115 is a deficient number, since it is larger than the sum of its proper divisors (14277885).

20474115 is an equidigital number, since it uses as much as digits as its factorization.

20474115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 20474115 is about 4524.8331460950. The cubic root of 20474115 is about 273.5699426857.

The spelling of 20474115 in words is "twenty million, four hundred seventy-four thousand, one hundred fifteen".