201010400 has 36 divisors (see below), whose sum is σ = 490718592. Its totient is φ = 80403840.

The previous prime is 201010361. The next prime is 201010421. The reversal of 201010400 is 4010102.

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 124832 + ... + 126431.

It is an arithmetic number, because the mean of its divisors is an integer number (13631072).

Almost surely, 2^201010400 is an apocalyptic number.

201010400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010400 is an abundant number, since it is smaller than the sum of its proper divisors (289708192).

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

201010400 is a wasteful number, since it uses less digits than its factorization.

201010400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251283 (or 251270 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 201010400 is about 14177.8136537338. The cubic root of 201010400 is about 585.7867030372.

Adding to 201010400 its reverse (4010102), we get a palindrome (205020502).

The spelling of 201010400 in words is "two hundred one million, ten thousand, four hundred".