20211001330 has 32 divisors (see below), whose sum is σ = 39235783104. Its totient is φ = 7451564736.

The previous prime is 20211001313. The next prime is 20211001451. The reversal of 20211001330 is 3310011202.

It is a super-2 number, since 2×20211001330² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 20211001330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25024 + ... + 202603.

It is an arithmetic number, because the mean of its divisors is an integer number (1226118222).

Almost surely, 2^20211001330 is an apocalyptic number.

20211001330 is a deficient number, since it is larger than the sum of its proper divisors (19024781774).

20211001330 is a wasteful number, since it uses less digits than its factorization.

20211001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228330.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20211001330 its reverse (3310011202), we get a palindrome (23521012532).

The spelling of 20211001330 in words is "twenty billion, two hundred eleven million, one thousand, three hundred thirty".