1240101432020 has 48 divisors (see below), whose sum is σ = 3008074926528. Its totient is φ = 424419740160.

The previous prime is 1240101431971. The next prime is 1240101432023. The reversal of 1240101432020 is 202341010421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1240101431983 and 1240101432001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240101432023) 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, 165785222 + ... + 165792701.

It is an arithmetic number, because the mean of its divisors is an integer number (62668227636).

Almost surely, 2^{1240101432020} is an apocalyptic number.

1240101432020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240101432020 is an abundant number, since it is smaller than the sum of its proper divisors (1767973494508).

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

1240101432020 is a wasteful number, since it uses less digits than its factorization.

1240101432020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331577960 (or 331577958 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1240101432020 its reverse (202341010421), we get a palindrome (1442442442441).

The spelling of 1240101432020 in words is "one trillion, two hundred forty billion, one hundred one million, four hundred thirty-two thousand, twenty".