20120312362470 has 64 divisors (see below), whose sum is σ = 49099634654400. Its totient is φ = 5275387353600.

The previous prime is 20120312362457. The next prime is 20120312362487. The reversal of 20120312362470 is 7426321302102.

It is a super-2 number, since 2×20120312362470² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2508000 + ... + 6821340.

It is an arithmetic number, because the mean of its divisors is an integer number (767181791475).

Almost surely, 2^{20120312362470} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120312362470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24549817327200).

20120312362470 is an abundant number, since it is smaller than the sum of its proper divisors (28979322291930).

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

20120312362470 is a wasteful number, since it uses less digits than its factorization.

20120312362470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315961.

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 20120312362470 its reverse (7426321302102), we get a palindrome (27546633664572).

The spelling of 20120312362470 in words is "twenty trillion, one hundred twenty billion, three hundred twelve million, three hundred sixty-two thousand, four hundred seventy".