202015401 has 16 divisors (see below), whose sum is σ = 311009664. Its totient is φ = 114246144.

The previous prime is 202015397. The next prime is 202015433. The reversal of 202015401 is 104510202.

It is not a de Polignac number, because 202015401 - 2² = 202015397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202015901) 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, 47550 + ... + 51623.

It is an arithmetic number, because the mean of its divisors is an integer number (19438104).

Almost surely, 2^202015401 is an apocalyptic number.

202015401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202015401 is a deficient number, since it is larger than the sum of its proper divisors (108994263).

202015401 is an equidigital number, since it uses as much as digits as its factorization.

202015401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99280.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 202015401 is about 14213.2121985145. The cubic root of 202015401 is about 586.7613421514.

Adding to 202015401 its reverse (104510202), we get a palindrome (306525603).

The spelling of 202015401 in words is "two hundred two million, fifteen thousand, four hundred one".