20220210121020 has 384 divisors, whose sum is σ = 71833814599680. Its totient is φ = 4136476999680.

The previous prime is 20220210121019. The next prime is 20220210121043. The reversal of 20220210121020 is 2012101202202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23086300 + ... + 23946140.

It is an arithmetic number, because the mean of its divisors is an integer number (187067225520).

Almost surely, 2^{20220210121020} is an apocalyptic number.

20220210121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220210121020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35916907299840).

20220210121020 is an abundant number, since it is smaller than the sum of its proper divisors (51613604478660).

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

20220210121020 is a wasteful number, since it uses less digits than its factorization.

20220210121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860005 (or 860003 counting only the distinct ones).

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

Adding to 20220210121020 its reverse (2012101202202), we get a palindrome (22232311323222).

The spelling of 20220210121020 in words is "twenty trillion, two hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, twenty".