201026940 has 48 divisors (see below), whose sum is σ = 581038080. Its totient is φ = 51877440.

The previous prime is 201026939. The next prime is 201026941. The reversal of 201026940 is 49620102.

It is an interprime number because it is at equal distance from previous prime (201026939) and next prime (201026941).

It is a self number, because there is not a number n which added to its sum of digits gives 201026940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201026941) 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, 52180 + ... + 55899.

It is an arithmetic number, because the mean of its divisors is an integer number (12104960).

Almost surely, 2^201026940 is an apocalyptic number.

201026940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201026940 is an abundant number, since it is smaller than the sum of its proper divisors (380011140).

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

201026940 is a wasteful number, since it uses less digits than its factorization.

201026940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108122 (or 108120 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 201026940 is about 14178.3969474691. The cubic root of 201026940 is about 585.8027696127.

The spelling of 201026940 in words is "two hundred one million, twenty-six thousand, nine hundred forty".