10020421120200 has 48 divisors (see below), whose sum is σ = 31063305474480. Its totient is φ = 2672112298560.

The previous prime is 10020421120183. The next prime is 10020421120231. The reversal of 10020421120200 is 202112402001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10020421120200.

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, 8350350334 + ... + 8350351533.

It is an arithmetic number, because the mean of its divisors is an integer number (647152197385).

Almost surely, 2^{10020421120200} is an apocalyptic number.

10020421120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020421120200 is an abundant number, since it is smaller than the sum of its proper divisors (21042884354280).

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

10020421120200 is a wasteful number, since it uses less digits than its factorization.

10020421120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16700701886 (or 16700701877 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10020421120200 its reverse (202112402001), we get a palindrome (10222533522201).

The spelling of 10020421120200 in words is "ten trillion, twenty billion, four hundred twenty-one million, one hundred twenty thousand, two hundred".