20202021130 has 32 divisors (see below), whose sum is σ = 38999750400. Its totient is φ = 7511055552.

The previous prime is 20202021113. The next prime is 20202021137. The reversal of 20202021130 is 3112020202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202021130.

It is not an unprimeable number, because it can be changed into a prime (20202021137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993010 + ... + 1013149.

It is an arithmetic number, because the mean of its divisors is an integer number (1218742200).

Almost surely, 2^20202021130 is an apocalyptic number.

20202021130 is a deficient number, since it is larger than the sum of its proper divisors (18797729270).

20202021130 is a wasteful number, since it uses less digits than its factorization.

20202021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006238.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20202021130 its reverse (3112020202), we get a palindrome (23314041332).

The spelling of 20202021130 in words is "twenty billion, two hundred two million, twenty-one thousand, one hundred thirty".