20000420010 has 48 divisors (see below), whose sum is σ = 52291643040. Its totient is φ = 5303645280.

The previous prime is 20000420003. The next prime is 20000420051. The reversal of 20000420010 is 1002400002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000419974 and 20000420001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 604636 + ... + 636855.

It is an arithmetic number, because the mean of its divisors is an integer number (1089409230).

Almost surely, 2^20000420010 is an apocalyptic number.

20000420010 is an abundant number, since it is smaller than the sum of its proper divisors (32291223030).

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

20000420010 is a wasteful number, since it uses less digits than its factorization.

20000420010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241683 (or 1241680 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20000420010 its reverse (1002400002), we get a palindrome (21002820012).

The spelling of 20000420010 in words is "twenty billion, four hundred twenty thousand, ten".