20169030 has 32 divisors (see below), whose sum is σ = 55321344. Its totient is φ = 4610016.

The previous prime is 20169029. The next prime is 20169043. The reversal of 20169030 is 3096102.

It is a super-2 number, since 2×20169030² = 813579542281800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20168988 and 20169006.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 47812 + ... + 48231.

It is an arithmetic number, because the mean of its divisors is an integer number (1728792).

Almost surely, 2^20169030 is an apocalyptic number.

20169030 is an abundant number, since it is smaller than the sum of its proper divisors (35152314).

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

20169030 is a wasteful number, since it uses less digits than its factorization.

20169030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96060.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 20169030 is about 4490.9943219737. The cubic root of 20169030 is about 272.2043141227.

The spelling of 20169030 in words is "twenty million, one hundred sixty-nine thousand, thirty".