1020201232240 has 40 divisors (see below), whose sum is σ = 2405375876448. Its totient is φ = 402332878080.

The previous prime is 1020201232229. The next prime is 1020201232277. The reversal of 1020201232240 is 422321020201.

It is a tau number, because it is divible by the number of its divisors (40).

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, 89800767 + ... + 89812126.

Almost surely, 2^{1020201232240} is an apocalyptic number.

1020201232240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020201232240 is an abundant number, since it is smaller than the sum of its proper divisors (1385174644208).

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

1020201232240 is a wasteful number, since it uses less digits than its factorization.

1020201232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179612977 (or 179612971 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1020201232240 its reverse (422321020201), we get a palindrome (1442522252441).

The spelling of 1020201232240 in words is "one trillion, twenty billion, two hundred one million, two hundred thirty-two thousand, two hundred forty".