20162300400 has 180 divisors, whose sum is σ = 76329731400. Its totient is φ = 4887820800.

The previous prime is 20162300383. The next prime is 20162300429. The reversal of 20162300400 is 400326102.

It is a happy number.

20162300400 is a `hidden beast` number, since 2 + 0 + 1 + 623 + 0 + 0 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 214975 + ... + 294174.

Almost surely, 2^20162300400 is an apocalyptic number.

20162300400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20162300400 is an abundant number, since it is smaller than the sum of its proper divisors (56167431000).

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

20162300400 is a wasteful number, since it uses less digits than its factorization.

20162300400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509184 (or 509170 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20162300400 its reverse (400326102), we get a palindrome (20562626502).

The spelling of 20162300400 in words is "twenty billion, one hundred sixty-two million, three hundred thousand, four hundred".