20860092 has 72 divisors (see below), whose sum is σ = 59684352. Its totient is φ = 6318000.

The previous prime is 20860067. The next prime is 20860097. The reversal of 20860092 is 29006802.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20860097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9717 + ... + 11667.

Almost surely, 2^20860092 is an apocalyptic number.

20860092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20860092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29842176).

20860092 is an abundant number, since it is smaller than the sum of its proper divisors (38824260).

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

20860092 is a wasteful number, since it uses less digits than its factorization.

20860092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20860092 is about 4567.2849703079. The cubic root of 20860092 is about 275.2783605670.

Adding to 20860092 its reverse (29006802), we get a palindrome (49866894).

The spelling of 20860092 in words is "twenty million, eight hundred sixty thousand, ninety-two".