20612298 has 16 divisors (see below), whose sum is σ = 47113920. Its totient is φ = 5889216.

The previous prime is 20612269. The next prime is 20612341. The reversal of 20612298 is 89221602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245343 + ... + 245426.

It is an arithmetic number, because the mean of its divisors is an integer number (2944620).

Almost surely, 2^20612298 is an apocalyptic number.

20612298 is an abundant number, since it is smaller than the sum of its proper divisors (26501622).

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

20612298 is a wasteful number, since it uses less digits than its factorization.

20612298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490781.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 20612298 is about 4540.0768715959. The cubic root of 20612298 is about 274.1840186766.

It can be divided in two parts, 20612 and 298, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 20612298 in words is "twenty million, six hundred twelve thousand, two hundred ninety-eight".