20201541400 has 24 divisors (see below), whose sum is σ = 46968584220. Its totient is φ = 8080616480.

The previous prime is 20201541397. The next prime is 20201541403. The reversal of 20201541400 is 414510202.

It is an interprime number because it is at equal distance from previous prime (20201541397) and next prime (20201541403).

It is a super-3 number, since 3×20201541400³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201541403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50503654 + ... + 50504053.

Almost surely, 2^20201541400 is an apocalyptic number.

20201541400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201541400 is an abundant number, since it is smaller than the sum of its proper divisors (26767042820).

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

20201541400 is a wasteful number, since it uses less digits than its factorization.

20201541400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101007723 (or 101007714 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The spelling of 20201541400 in words is "twenty billion, two hundred one million, five hundred forty-one thousand, four hundred".