201024039990 has 16 divisors (see below), whose sum is σ = 482457696048. Its totient is φ = 53606410656.

The previous prime is 201024039971. The next prime is 201024040013. The reversal of 201024039990 is 99930420102.

It is a super-2 number, since 2×201024039990² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 3350400637 + ... + 3350400696.

It is an arithmetic number, because the mean of its divisors is an integer number (30153606003).

Almost surely, 2^201024039990 is an apocalyptic number.

201024039990 is an abundant number, since it is smaller than the sum of its proper divisors (281433656058).

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

201024039990 is a wasteful number, since it uses less digits than its factorization.

201024039990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700801343.

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 201024039990 in words is "two hundred one billion, twenty-four million, thirty-nine thousand, nine hundred ninety".