20021401202 has 16 divisors (see below), whose sum is σ = 34486624800. Its totient is φ = 8621655840.

The previous prime is 20021401189. The next prime is 20021401223. The reversal of 20021401202 is 20210412002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23948627 + ... + 23949462.

It is an arithmetic number, because the mean of its divisors is an integer number (2155414050).

Almost surely, 2^20021401202 is an apocalyptic number.

20021401202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20021401202 is a deficient number, since it is larger than the sum of its proper divisors (14465223598).

20021401202 is a wasteful number, since it uses less digits than its factorization.

20021401202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47898121.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20021401202 its reverse (20210412002), we get a palindrome (40231813204).

The spelling of 20021401202 in words is "twenty billion, twenty-one million, four hundred one thousand, two hundred two".