201245601050 has 24 divisors (see below), whose sum is σ = 403110420636. Its totient is φ = 74306067840.

The previous prime is 201245601019. The next prime is 201245601101. The reversal of 201245601050 is 50106542102.

It can be written as a sum of positive squares in 6 ways, for example, as 67345959121 + 133899641929 = 259511^2 + 365923^2 .

It is a super-2 number, since 2×201245601050² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154803659 + ... + 154804958.

Almost surely, 2^201245601050 is an apocalyptic number.

201245601050 is an abundant number, since it is smaller than the sum of its proper divisors (201864819586).

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

201245601050 is a wasteful number, since it uses less digits than its factorization.

201245601050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309608642 (or 309608637 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 201245601050 in words is "two hundred one billion, two hundred forty-five million, six hundred one thousand, fifty".