20110002400 has 36 divisors (see below), whose sum is σ = 49093545312. Its totient is φ = 8044000640.

The previous prime is 20110002397. The next prime is 20110002427. The reversal of 20110002400 is 420001102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12567952 + ... + 12569551.

It is an arithmetic number, because the mean of its divisors is an integer number (1363709592).

Almost surely, 2^20110002400 is an apocalyptic number.

20110002400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110002400 is an abundant number, since it is smaller than the sum of its proper divisors (28983542912).

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

20110002400 is a wasteful number, since it uses less digits than its factorization.

20110002400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25137523 (or 25137510 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20110002400 its reverse (420001102), we get a palindrome (20530003502).

The spelling of 20110002400 in words is "twenty billion, one hundred ten million, two thousand, four hundred".