37220055420 has 24 divisors (see below), whose sum is σ = 104216155344. Its totient is φ = 9925348096.

The previous prime is 37220055409. The next prime is 37220055427. The reversal of 37220055420 is 2455002273.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37220055427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310167069 + ... + 310167188.

It is an arithmetic number, because the mean of its divisors is an integer number (4342339806).

Almost surely, 2^37220055420 is an apocalyptic number.

37220055420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

37220055420 is an abundant number, since it is smaller than the sum of its proper divisors (66996099924).

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

37220055420 is a wasteful number, since it uses less digits than its factorization.

37220055420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620334269 (or 620334267 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

Adding to 37220055420 its reverse (2455002273), we get a palindrome (39675057693).

The spelling of 37220055420 in words is "thirty-seven billion, two hundred twenty million, fifty-five thousand, four hundred twenty".