2720423124 has 24 divisors (see below), whose sum is σ = 7052949120. Its totient is φ = 906807672.

The previous prime is 2720423119. The next prime is 2720423129. The reversal of 2720423124 is 4213240272.

It is an interprime number because it is at equal distance from previous prime (2720423119) and next prime (2720423129).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720423129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12594444 + ... + 12594659.

It is an arithmetic number, because the mean of its divisors is an integer number (293872880).

Almost surely, 2^2720423124 is an apocalyptic number.

It is an amenable number.

2720423124 is an abundant number, since it is smaller than the sum of its proper divisors (4332525996).

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

2720423124 is a wasteful number, since it uses less digits than its factorization.

2720423124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25189116 (or 25189108 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 2720423124 is about 52157.6756000495. The cubic root of 2720423124 is about 1395.9787881660.

Adding to 2720423124 its reverse (4213240272), we get a palindrome (6933663396).

The spelling of 2720423124 in words is "two billion, seven hundred twenty million, four hundred twenty-three thousand, one hundred twenty-four".