201447557202 has 16 divisors (see below), whose sum is σ = 426594827232. Its totient is φ = 63199233600.

The previous prime is 201447557153. The next prime is 201447557221. The reversal of 201447557202 is 202755744102.

It is a happy number.

It is a super-2 number, since 2×201447557202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987487924 + ... + 987488127.

It is an arithmetic number, because the mean of its divisors is an integer number (26662176702).

Almost surely, 2^201447557202 is an apocalyptic number.

201447557202 is an abundant number, since it is smaller than the sum of its proper divisors (225147270030).

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

201447557202 is a wasteful number, since it uses less digits than its factorization.

201447557202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974976073.

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 201447557202 in words is "two hundred one billion, four hundred forty-seven million, five hundred fifty-seven thousand, two hundred two".