20200101144 has 64 divisors (see below), whose sum is σ = 51021446400. Its totient is φ = 6663997824.

The previous prime is 20200101143. The next prime is 20200101151. The reversal of 20200101144 is 44110100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200101143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3173437 + ... + 3179795.

It is an arithmetic number, because the mean of its divisors is an integer number (797210100).

Almost surely, 2^20200101144 is an apocalyptic number.

20200101144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20200101144 is an abundant number, since it is smaller than the sum of its proper divisors (30821345256).

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

20200101144 is a wasteful number, since it uses less digits than its factorization.

20200101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712 (or 7708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20200101144 its reverse (44110100202), we get a palindrome (64310201346).

The spelling of 20200101144 in words is "twenty billion, two hundred million, one hundred one thousand, one hundred forty-four".