2421909020 has 24 divisors (see below), whose sum is σ = 5087388768. Its totient is φ = 968500800.

The previous prime is 2421908971. The next prime is 2421909023. The reversal of 2421909020 is 209091242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421909023) 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, 70310 + ... + 98930.

It is an arithmetic number, because the mean of its divisors is an integer number (211974532).

Almost surely, 2^2421909020 is an apocalyptic number.

2421909020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421909020 is an abundant number, since it is smaller than the sum of its proper divisors (2665479748).

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

2421909020 is a wasteful number, since it uses less digits than its factorization.

2421909020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32861 (or 32859 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2421909020 is about 49212.8948549057. The cubic root of 2421909020 is about 1342.9276266977.

The spelling of 2421909020 in words is "two billion, four hundred twenty-one million, nine hundred nine thousand, twenty".