20200221121010 has 64 divisors (see below), whose sum is σ = 41927373840384. Its totient is φ = 6863698867200.

The previous prime is 20200221120979. The next prime is 20200221121037. The reversal of 20200221121010 is 1012112200202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69708620 + ... + 69997800.

It is an arithmetic number, because the mean of its divisors is an integer number (655115216256).

Almost surely, 2^{20200221121010} is an apocalyptic number.

20200221121010 is an abundant number, since it is smaller than the sum of its proper divisors (21727152719374).

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

20200221121010 is a wasteful number, since it uses less digits than its factorization.

20200221121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298139.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20200221121010 its reverse (1012112200202), we get a palindrome (21212333321212).

The spelling of 20200221121010 in words is "twenty trillion, two hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, ten".