2520223450000 has 60 divisors (see below), whose sum is σ = 6103275654420. Its totient is φ = 1008089360000.

The previous prime is 2520223449971. The next prime is 2520223450027. The reversal of 2520223450000 is 543220252.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2438044907776 + 82178542224 = 1561424^2 + 286668^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25152235 + ... + 25252234.

It is an arithmetic number, because the mean of its divisors is an integer number (101721260907).

Almost surely, 2^{2520223450000} is an apocalyptic number.

2520223450000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520223450000 is an abundant number, since it is smaller than the sum of its proper divisors (3583052204420).

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

2520223450000 is an frugal number, since it uses more digits than its factorization.

2520223450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50404502 (or 50404476 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 2520223450000 its reverse (543220252), we get a palindrome (2520766670252).

The spelling of 2520223450000 in words is "two trillion, five hundred twenty billion, two hundred twenty-three million, four hundred fifty thousand".