20161262 has 12 divisors (see below), whose sum is σ = 33241488. Its totient is φ = 9164100.

The previous prime is 20161243. The next prime is 20161277. The reversal of 20161262 is 26216102.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41414 + ... + 41897.

It is an arithmetic number, because the mean of its divisors is an integer number (2770124).

Almost surely, 2^20161262 is an apocalyptic number.

20161262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20161262 is a deficient number, since it is larger than the sum of its proper divisors (13080226).

20161262 is a wasteful number, since it uses less digits than its factorization.

20161262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83335 (or 83324 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20161262 is about 4490.1293967992. The cubic root of 20161262 is about 272.1693635965.

Adding to 20161262 its reverse (26216102), we get a palindrome (46377364).

The spelling of 20161262 in words is "twenty million, one hundred sixty-one thousand, two hundred sixty-two".