2520027124021 has 4 divisors (see below), whose sum is σ = 2749120498944. Its totient is φ = 2290933749100.

The previous prime is 2520027124009. The next prime is 2520027124037. The reversal of 2520027124021 is 1204217200252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2520027124021 - 2⁵ = 2520027123989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520027121021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114546687445 + ... + 114546687466.

It is an arithmetic number, because the mean of its divisors is an integer number (687280124736).

Almost surely, 2^{2520027124021} is an apocalyptic number.

It is an amenable number.

2520027124021 is a deficient number, since it is larger than the sum of its proper divisors (229093374923).

2520027124021 is a wasteful number, since it uses less digits than its factorization.

2520027124021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229093374922.

The product of its (nonzero) digits is 4480, while the sum is 28.

The spelling of 2520027124021 in words is "two trillion, five hundred twenty billion, twenty-seven million, one hundred twenty-four thousand, twenty-one".