20678202 has 24 divisors (see below), whose sum is σ = 45564480. Its totient is φ = 6775560.

The previous prime is 20678197. The next prime is 20678263. The reversal of 20678202 is 20287602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8674 + ... + 10797.

It is an arithmetic number, because the mean of its divisors is an integer number (1898520).

Almost surely, 2^20678202 is an apocalyptic number.

20678202 is an abundant number, since it is smaller than the sum of its proper divisors (24886278).

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

20678202 is a wasteful number, since it uses less digits than its factorization.

20678202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19538 (or 19535 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20678202 is about 4547.3291061897. The cubic root of 20678202 is about 274.4759253076.

The spelling of 20678202 in words is "twenty million, six hundred seventy-eight thousand, two hundred two".