20368770 has 16 divisors (see below), whose sum is σ = 48885120. Its totient is φ = 5431664.

The previous prime is 20368769. The next prime is 20368783. The reversal of 20368770 is 7786302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339450 + ... + 339509.

It is an arithmetic number, because the mean of its divisors is an integer number (3055320).

Almost surely, 2^20368770 is an apocalyptic number.

20368770 is an abundant number, since it is smaller than the sum of its proper divisors (28516350).

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

20368770 is a wasteful number, since it uses less digits than its factorization.

20368770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678969.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 20368770 is about 4513.1773729824. The cubic root of 20368770 is about 273.0999379175.

The spelling of 20368770 in words is "twenty million, three hundred sixty-eight thousand, seven hundred seventy".