10020021222400 has 132 divisors (see below), whose sum is σ = 28385736521488. Its totient is φ = 3435435786240.

The previous prime is 10020021222353. The next prime is 10020021222433. The reversal of 10020021222400 is 422212002001.

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

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, 27778449 + ... + 28136848.

Almost surely, 2^{10020021222400} is an apocalyptic number.

10020021222400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020021222400 is an abundant number, since it is smaller than the sum of its proper divisors (18365715299088).

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

10020021222400 is an equidigital number, since it uses as much as digits as its factorization.

10020021222400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55915334 (or 55915311 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10020021222400 its reverse (422212002001), we get a palindrome (10442233224401).

The spelling of 10020021222400 in words is "ten trillion, twenty billion, twenty-one million, two hundred twenty-two thousand, four hundred".