2420400202000 has 80 divisors (see below), whose sum is σ = 6384575718144. Its totient is φ = 880145520000.

The previous prime is 2420400201997. The next prime is 2420400202037. The reversal of 2420400202000 is 2020040242.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54987096 + ... + 55031095.

Almost surely, 2^{2420400202000} is an apocalyptic number.

2420400202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420400202000 is an abundant number, since it is smaller than the sum of its proper divisors (3964175516144).

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

2420400202000 is a wasteful number, since it uses less digits than its factorization.

2420400202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110018225 (or 110018209 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 2420400202000 its reverse (2020040242), we get a palindrome (2422420242242).

The spelling of 2420400202000 in words is "two trillion, four hundred twenty billion, four hundred million, two hundred two thousand".