20046404620 has 48 divisors (see below), whose sum is σ = 45936598176. Its totient is φ = 7287680000.

The previous prime is 20046404611. The next prime is 20046404629. The reversal of 20046404620 is 2640464002.

It is an interprime number because it is at equal distance from previous prime (20046404611) and next prime (20046404629).

It is not an unprimeable number, because it can be changed into a prime (20046404629) 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, 1028970 + ... + 1048270.

It is an arithmetic number, because the mean of its divisors is an integer number (957012462).

Almost surely, 2^20046404620 is an apocalyptic number.

20046404620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20046404620 is an abundant number, since it is smaller than the sum of its proper divisors (25890193556).

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

20046404620 is a wasteful number, since it uses less digits than its factorization.

20046404620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24042 (or 24040 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20046404620 its reverse (2640464002), we get a palindrome (22686868622).

The spelling of 20046404620 in words is "twenty billion, forty-six million, four hundred four thousand, six hundred twenty".