20062140 has 96 divisors (see below), whose sum is σ = 65985024. Its totient is φ = 4458240.

The previous prime is 20062127. The next prime is 20062151. The reversal of 20062140 is 4126002.

It is a super-2 number, since 2×20062140² = 804978922759200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14895 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (687344).

Almost surely, 2^20062140 is an apocalyptic number.

20062140 is a gapful number since it is divisible by the number (20) 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 20062140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32992512).

20062140 is an abundant number, since it is smaller than the sum of its proper divisors (45922884).

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

20062140 is a wasteful number, since it uses less digits than its factorization.

20062140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20062140 is about 4479.0780301308. The cubic root of 20062140 is about 271.7225941956.

Adding to 20062140 its reverse (4126002), we get a palindrome (24188142).

It can be divided in two parts, 200621 and 40, that added together give a triangular number (200661 = T₆₃₃).

The spelling of 20062140 in words is "twenty million, sixty-two thousand, one hundred forty".