16102020 has 96 divisors (see below), whose sum is σ = 50835456. Its totient is φ = 3772800.

The previous prime is 16102013. The next prime is 16102027. The reversal of 16102020 is 2020161.

16102020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16102013) and next prime (16102027).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 16101987 and 16102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16102027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20067 + ... + 20853.

It is an arithmetic number, because the mean of its divisors is an integer number (529536).

Almost surely, 2^16102020 is an apocalyptic number.

16102020 is a gapful number since it is divisible by the number (10) 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 16102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25417728).

16102020 is an abundant number, since it is smaller than the sum of its proper divisors (34733436).

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

16102020 is a wasteful number, since it uses less digits than its factorization.

16102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 16102020 is about 4012.7322362699. The cubic root of 16102020 is about 252.5186471214.

Adding to 16102020 its reverse (2020161), we get a palindrome (18122181).

The spelling of 16102020 in words is "sixteen million, one hundred two thousand, twenty".