20053101523220 has 24 divisors (see below), whose sum is σ = 42111846189000. Its totient is φ = 8021177182592.

The previous prime is 20053101523211. The next prime is 20053101523229. The reversal of 20053101523220 is 2232510135002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20053101523211) and next prime (20053101523229).

It can be written as a sum of positive squares in 4 ways, for example, as 579468067984 + 19473633455236 = 761228^2 + 4412894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20053101523220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053101523229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328915 + ... + 6470874.

It is an arithmetic number, because the mean of its divisors is an integer number (1754660257875).

Almost surely, 2^{20053101523220} is an apocalyptic number.

20053101523220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20053101523220 is an abundant number, since it is smaller than the sum of its proper divisors (22058744665780).

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

20053101523220 is a wasteful number, since it uses less digits than its factorization.

20053101523220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928347 (or 7928345 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20053101523220 its reverse (2232510135002), we get a palindrome (22285611658222).

The spelling of 20053101523220 in words is "twenty trillion, fifty-three billion, one hundred one million, five hundred twenty-three thousand, two hundred twenty".