20415124202 has 32 divisors (see below), whose sum is σ = 33829799040. Its totient is φ = 9162334720.

The previous prime is 20415124201. The next prime is 20415124253. The reversal of 20415124202 is 20242151402.

It is a super-2 number, since 2×20415124202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20415124201) 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, 1447778 + ... + 1461810.

It is an arithmetic number, because the mean of its divisors is an integer number (1057181220).

Almost surely, 2^20415124202 is an apocalyptic number.

20415124202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20415124202 is a deficient number, since it is larger than the sum of its proper divisors (13414674838).

20415124202 is a wasteful number, since it uses less digits than its factorization.

20415124202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14878.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 20415124202 its reverse (20242151402), we get a palindrome (40657275604).

The spelling of 20415124202 in words is "twenty billion, four hundred fifteen million, one hundred twenty-four thousand, two hundred two".