7420220733400 has 48 divisors (see below), whose sum is σ = 17459868825000. Its totient is φ = 2932328186880.

The previous prime is 7420220733397. The next prime is 7420220733461. The reversal of 7420220733400 is 43370220247.

It is a congruent number.

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, 223484025 + ... + 223517224.

Almost surely, 2^{7420220733400} is an apocalyptic number.

It is an amenable number.

7420220733400 is an abundant number, since it is smaller than the sum of its proper divisors (10039648091600).

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

7420220733400 is a wasteful number, since it uses less digits than its factorization.

7420220733400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447001348 (or 447001339 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 34.

Adding to 7420220733400 its reverse (43370220247), we get a palindrome (7463590953647).

The spelling of 7420220733400 in words is "seven trillion, four hundred twenty billion, two hundred twenty million, seven hundred thirty-three thousand, four hundred".