20210412144 has 80 divisors (see below), whose sum is σ = 56563379712. Its totient is φ = 6181319424.

The previous prime is 20210412137. The next prime is 20210412151. The reversal of 20210412144 is 44121401202.

It is an interprime number because it is at equal distance from previous prime (20210412137) and next prime (20210412151).

It is a self number, because there is not a number n which added to its sum of digits gives 20210412144.

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, 7237 + ... + 201179.

Almost surely, 2^20210412144 is an apocalyptic number.

20210412144 is a gapful number since it is divisible by the number (24) 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 20210412144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28281689856).

20210412144 is an abundant number, since it is smaller than the sum of its proper divisors (36352967568).

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

20210412144 is a wasteful number, since it uses less digits than its factorization.

20210412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194134 (or 194128 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20210412144 its reverse (44121401202), we get a palindrome (64331813346).

The spelling of 20210412144 in words is "twenty billion, two hundred ten million, four hundred twelve thousand, one hundred forty-four".