201016442890 has 16 divisors (see below), whose sum is σ = 361835722080. Its totient is φ = 80405216080.

The previous prime is 201016442881. The next prime is 201016442923. The reversal of 201016442890 is 98244610102.

It is a super-2 number, since 2×201016442890² (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, 628821 + ... + 892999.

It is an arithmetic number, because the mean of its divisors is an integer number (22614732630).

Almost surely, 2^201016442890 is an apocalyptic number.

201016442890 is a deficient number, since it is larger than the sum of its proper divisors (160819279190).

201016442890 is a wasteful number, since it uses less digits than its factorization.

201016442890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340277.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 201016442890 in words is "two hundred one billion, sixteen million, four hundred forty-two thousand, eight hundred ninety".