20029116 has 48 divisors (see below), whose sum is σ = 49714560. Its totient is φ = 6258240.

The previous prime is 20029109. The next prime is 20029123. The reversal of 20029116 is 61192002.

It is an interprime number because it is at equal distance from previous prime (20029109) and next prime (20029123).

It is a junction number, because it is equal to n+sod(n) for n = 20029092 and 20029101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23986 + ... + 24806.

It is an arithmetic number, because the mean of its divisors is an integer number (1035720).

Almost surely, 2^20029116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20029116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24857280).

20029116 is an abundant number, since it is smaller than the sum of its proper divisors (29685444).

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

20029116 is a wasteful number, since it uses less digits than its factorization.

20029116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 20029116 is about 4475.3900388681. The cubic root of 20029116 is about 271.5734194299.

The spelling of 20029116 in words is "twenty million, twenty-nine thousand, one hundred sixteen".